Physics Essay Examples and Topics. Page 2

Further developments in the field of energy use began with the sources such as wind, biomass, and hydropower and these were the only sources of energy for humans for thousands of years.

To make time travel to the past happen, it is necessary to have access to a wormhole one end of which has to be pulled at the speed of light and then to be returned [...]

Photomultipliers are used in analyzing the disturbances in the emission of light, used in combination with scintillators for experiments, and used in medical instruments to determine the blood component levels.

The invention of the microwave oven - is the invention of completely new method of food preparation. It must provide the possibility of survey and to exclude the output of the microwaves to the outside.

Thus, being a physics student at the Massachusetts Institute of Technology, he suggested an unusual approach to calculating forces in molecules as a part of his undergraduate thesis in 1939.

This paper discusses Alfred Nobel's work with explosives for military and industrial use leading to his contribution to the world of the Nobel Peace Prize. As such, Nobel had to come up with a way [...]

One of the most critical questions that majorities ask and the main hurdle to renewable energy is whether renewable energy can ever efficiently become a viable energy option relative to the traditional, ready available sources [...]

One of the tools used in the separation of lights is the spectrometer and it separates the natural light into the diverse wavelength contained therein.

Ke= mv2/2 From eq taking the negligible potential energy we have E t = Ke = mv2/2 Kinetic energy is therefore related to momentum in the above equation. As mentioned in the literature energy is [...]

The purpose of the work was to calculate the amount of heat required to change the temperature of each metal object, using mathematical formulas to describe the calorimetric process. The results demonstrated that the specific [...]

0 m Final Position, x = 0. 5052 = 0.

Obviously, for normal functionality of such a device, it is necessary to ensure that a stable voltage is supplied to the sensor, which means that the circuit must be able to transform the AC voltage [...]

The graduated cylinder was filled with the amount of metal powder, and the outcome was measured as the final volume. The density of the metal was determined using these measurements and the density formula ).

From this data, the dependence of the wavelength on the root of the tension is plotted to determine the slope factor; this factor can be used to calculate the frequency of the wave indirectly.

As force acts on an object in motion, its acceleration and direction of force act towards the center of the circular path.

Due to the complexity of the mathematics and theoretical work involved in nuclear engineering, it is a somewhat challenging field to master.

The theoretical basis of this investigation was evaluating the sum of the voltage drops throughout various closed connections, which is equal to zero.

The beneath data table shows the time taken for the mass of 100g to complete ten oscillations for the various amplitudes measured in degrees.

The resistance of the light bulb was measured using DMM and the corresponding values of current read for the following voltages: 0.

This experiment is aimed at verifying Newton's second law of acceleration by investigating the acceleration of a glider on an air track acted on by an unstable force and evaluating the amount of work performed [...]

The main objectives for doing this experiment are: Investigating the use of operational amplifier as an analog comparator Investigating the influence of open-loop characteristics on the circuits in which operational amplifiers are used To measure [...]

The injection section has a hopper where a material is fed, and an injection ram that drives a molten material to the clamp thanks to heaters.

The fact is that a nuclear reactor is not designed in the same way as an atomic bomb, as such, despite the abundance of material that could cause a nuclear explosion, the means by which [...]

Is to forecast the bending moment diagram, collapse load, the number, and the position at which plastic hinges for the portal are formed To compare the predicted values with the experimental values found from [...]

Superstring theory is one of the theories that offered or opened the door to clear many of the misgivings the scientists have regarding the universe.

The key difference factor of the solar cells is the material and technology that is used. Photon behavior in a solar cell is defined by the materials used and the construction of the cell itself.

The process of science is very successful in all areas of Endeavour of human being because it is open and ideas are exchanged freely with a lot of knowledge that is available to everyone.

The magnetic field inside the material is the sum of the applied magnetic field and the magnetic field due to magnetization.

A famous ancient painting of the machine that was attributed to Hero of Alexandria as the inventor in the first century points to the beginning of thermodynamics.

The camera is often not in harmony with the perception of the depth of a human vision. The level of such an acoustic signal distortion within a tissue is dependent on the emitted pulse's amplitude [...]

Intrinsic defect is a property that determines the conductivity of electrons in a given structure. The subjection leads to intrinsic defects, a phenomenon that affects the mechanical properties of materials in structures.

Overview Flywheel technology is able to store "energy by accelerating the rotor/flywheel to a very high speed and maintaining the energy in the system as kinetic energy".

Project Goals To analyzed the mechanisms fronted in the quest to finding the cause of Mpemba effect. A data on the actual lose in volume of water need to be tabulated for analysis.

The effort to understand the seemingly dimensionless nature of fundamental particles and the four dimensional nature of matter and space in one theory has led to development of string theory. The string theory is the [...]

Fthenakis, Mason and Zweibel also examined the economical, geographical and technical viability of solar power to supplement the energy requirements of the U.S.and concluded that it was possible to substitute the current fossil fuel energy [...]

This occurrence is in contrast to destructive interference whereby the amplitude of the resultant wave is lesser than that of the original.

Finally the expandable bullets are the type of bullets which upon hitting the target they expand since they are fired under high velocity.

This is the case due to the fact that, these properties are the primary determinant of the ability of a laser light to interfere with itself in order to give out the desired interference patterns.

Even those who say net production is cost effective for unit of nuclear energy produced may not be saying the truth because most of these estimate forget that nuclear energy is recipient of many government [...]

This is required so that the change in the state of the particle at the location of the event to be identical to the observed change at the other end.

The DC voltage was set to 12V, and the oscilloscope monitored and recorded the output. The input was set to +500mV and +750mV, and the output was recorded.

The torque on a thin rod has a direction that leads to a shift in the equilibrium of the suspended object, and the direction of the torque turns out to be perpendicular to both the [...]

Table 1 contains the results of direct measurements of the distance and displacement of the spring or elastic band as a function of the value of the applied force.

In addition, the experiment utilizes the principle of energy conservation, which states that all the heat lost by the calorimeter setup will be transferred directly to the ice, causing it to transition into its liquid [...]

Table 1 shows the results of the direct measurements obtained during the experiment, as well as the results of indirect measurements of acceleration, angular acceleration, and torque.

The variables in such an experiment were the values of the suspended weights as a characteristic of the value of the applied forces and the angles at which the sample was held approximately in the [...]

The independent variables were mass, radius of motion, and angular speed, while the dependent variable was the tension in the cord.

Still, the direction of a beam or beam of rays depends on the angle of incidence and the nature of the materials in which light propagates.

The experiment shows a relationship between the velocity of the stationary cart and the impulse applied to it after the collision.

The empirical relationships between the pressure, volume, temperature, and amount of a gas are therefore correlated to form the ideal gas law, PV=nRT.

The spring constant and the natural frequency were calculated from the free-vibration experiment results. Physical attributes in a discrete system are discrete quantities, and ordinary differential equations characterize the system's behavior.

Students will be shown how different parameters in the governing equations of the system can affect the system's behavior as a whole in the laboratory.

The Tacoma Narrows Bridge, also known as "Galloping Gertie," was the world's third-longest suspension bridge at the time of its construction. The result was a catastrophic amplification of the bridge's movements, leading to its dramatic [...]

When the blue, green, and red cellophane sheets were lifted, the white sheet of paper underneath appeared blue, green, and red, respectively. The materials used in this experiment were three colored cellophane sheets, white paper, [...]

The aim of the laboratory work is to study the dependence of the final speed of the cart on the momentum: the findings show that this dependence is a linear upward trend.

According to Feng et al, torque is proportional to the product of the applied force's magnitude and its perpendicular Distance from the axis of rotation, which in turn is determined by the direction of the [...]

In fact, the mass of the weight affects the force of gravity experienced by the objects and affects the spring: the stronger this mass is, the more extension of the spring should be expected.

To investigate the differences between an open loop and closed loop motor speed control in the presence of mechanical load. U-151 Dual attenuator U-152 Summing amplifier U-153 Pre-amplifier U-154 Motor driver amplifier U-155 Tacho amplifier [...]

This is the point at which the airflow over the wings reaches the speed of sound, and as the aircraft continues to accelerate, shock waves form on the wings.

However, there is an essential difference between the terms, as magnetism refers to a movement that does not require electricity, while EMFs always consists of both electric and magnetic components.

The pulley system is a set of wheels and a rope, one end of which is attached to fixed object, while the other one is fixed on an object that has to be lifted.

Assuming no heat gain or loss to the surrounding, the sum of heat lost by the boiling water and the calorimeter is equivalent to heat gained by the solid or metal, illustrated in equation.

Within this area, the influence of the initial conditions of the projectile on the average speed of free flight before the first fall is checked, all other things being equal: body mass, initial velocity, and [...]

It is also important to exalt or minimize their presence in the acquired images using knowledge of the type and extent of their susceptibility.

Cyclists would use at least 250 kWh per hour of energy walking, which is about 70% more efficient than the energy required for a car.

This process is called energy conversion, and it is one of the most important concepts in understanding energy. An example of energy conversion in daily activities is the shift from electric energy to heat in [...]

The purpose of this paper is to outline the expected effects of heat on concrete, discuss the essence of hot weather concreting, and then list and explain special techniques for creating the mix design to [...]

Table 1: Results of direct measurements In this experiment, the calorimetric method is used to determine the specific heat capacity of a metal object.

The error of the eye could also result in this uncertainty. The result achieved is what was expected in this lab practical.

The purpose of this work is to study the relationship between the velocity of a falling object and the time during which it falls.

In this laboratory work, the dynamics of linear motion of a cart on a horizontal plane were studied to determine the relationship between the position of the cart and time, which is then used to [...]

The ultimate goal of the laboratory work is to determine the relationship between the kinetic energy of motion and the force.

In this laboratory work, the dependence of the centripetal force on the radius, the mass of the sample, and the angular velocity at which the sample rotates around the vertical axis are studied.

Thus, only two of the three diagrams were closed, as shown in the figure below. In the case where the coordinate pairs of the resulting force were not equal to zero, there was no true [...]

Finally, electrical energy is similar to thermal energy, but in this case, there is the movement of electric charges, which cause perturbation of the electromagnetic field.

At the same time, the generation of hydroelectric energy is associated with the construction of dams. It is also important that the breakthrough of dams, especially large ones, leads to flooding of vast areas, as [...]

In accordance with Boyle's Law, with the increase of the volume comes the decrease in the pressure; therefore, with the increase of the intrapleural volume comes the decrease in the intrapleural pressure.

As a result, when a fracture proliferates through the substance, the healing agent is released from its storage compartment and into the fracture plane, where it hardens and fixes the substance. Form-memory polymers are a [...]

This is one of the sides of the problem, which was also voiced in the podcast, "The nuclear parts of the bomb have to be in the possession of the civilians".

Thermal expansion is a concept in physics that refers to a matter's tendency to change its density, volume, or shape in response to the change in the surrounding temperatures, not including the passe transitions.

The study by Steven Brunton and others at the University of Washington demonstrates the use of Sparse Identification of Nonlinear Dynamics.

Knowing that momentum is a product of mass and velocity of an object, the law can be depicted in the following formula: Where: m = mass before collision v = velocity before collision m' = [...]

The voltage required to stop the current is proportional to the energy emitted; thus, voltage data is obtained and plotted to obtain the stopping voltage allowing the current to reach zero on the meter.

Newton stated that everybody in the Universe affects all others "with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers".

Thus, it is seen as a set of tools for studying the motion of objects in space in simple words. However, not only such a system is of practical value for studying the dynamics of [...]

1076 g of dry potassium nitrate, dissolved in 30 mL of distilled water and quantitatively transferred into a 50 mL flask bringing the solution to the mark.potassium ferricyanide, 6.

If the nozzle of the inflated balloon is released, it will become deflated and move in the opposite direction of the nozzle.

In its turn, this postulate presupposes the following: The observable size of an object that moves through the universe with the speed comparable to the speed of light, relates to the speed's subtleties in a [...]

Although there are several approaches to achieving the design frameworks, actually, Newtonian laws of motion of space and time are the basis of structural designs.

The main points of the various events I attended are the following: Due to the possibly dangerous nature of some experiments appropriate peer review is an absolute necessity in terms of other people within the [...]

This paper explores the possible options of electric-power production sources and attempts to gain insight into the benefits of the application of the most recent scientific developments, such as nanotechnology, for enhancing and expanding the [...]

The reason is due to an increase in the power density of the reactors. The volume of the nanoparticles suspended in the base fluid is around 50% of the total concentration.

Contemporary systems meant to heat water/air explore both the heat pumps and the solar plates that are combined to form a unit with the aim of optimizing on the energy efficiency as well as solar [...]

For example, if when a wave propagates in a medium, the displacement of its particles occurs in the direction of the wave itself, it is commonly referred to as a longitudinal wave.

The study of the evolution of the universe is fundamental to understanding the driving forces behind the emergence of life. The controlled variables are the use of the same balloon, the composition of the gas [...]

In other words, a change in the intensity of magnetic flux near a closed circuit results in the induction EMF, which is opposite in direction and equal in magnitude to the flux.

In this laboratory work, we compared the rate of dissolution of crystalline sugar in equal amounts of water at room temperature, depending on the degree of crushing of the cube.

The operational tasks of the customs services, requiring the use of technical means of customs control, are fundamental for understanding the role and place of the operational activities in the customs services.

The use of the variable-geometry wing technology on the wings of supersonic rockets has the capability of spreading and sweeping sharply in the backward direction to maximize the speed.

Thus, it can be deduced that the alloys produced until today cannot be viewed as a random dataset due to the limitation of the elements used in their production.

Angle proportion is the essential component while deciding the lift and drag proportion of a wing. The perseverance of a high perspective proportion will be higher than a lower angle proportion.

The most common ones include the change in the position of the conductor relative to the source of the magnetic field and the change in the power of the field.

He observes that space and time have remained to be the most mysterious of the concepts of the universe. The fundamental assumption of the theory is that the universe was initially very hot and in [...]

The graph of Power against specific fuel consumption in figure 3 shows that increased power occurs when the specific fuel consumption is low.

This reduces the size of the barrier potential that is as a result of the depletion layer. The thinness of the LED chip ensures that the photons are able to leave the material radiating to [...]

The objective of this experiment was to determine the nature and the phase differences between voltage and current for reactive components in a series LRC resonant circuit.

A graph of V against r^2 was plotted for this case to determine e/m for comparison to the first setup and the theoretical one.

The objective of this experiment was partly to investigate the current-voltage behaviors of a resistor and a bulb and, to investigate the effect of length on the resistance of a wire.

In the first setup the aim was to create dipoles and, consequently trace equipotential lines vital in predicting of the electric field patterns between the two point charges.

The objective of this experiment was to investigate the relationship between the electric potential and the electric field and hence, determine the electric field pattern and strength E between a pair of parallel conductors.

The calculated value was used to obtain the quality of the wave. With regards to the sin fits of the motion, the 'eyeball' gave =0.

The objective of this experiment is to ascertain that when bodies are involved in an elastic collision, both the energy and the momentum are conserved unlike in a perfectly inelastic collision where only the momentum [...]

Through considering the measurements of the bodies with regular shapes, it was easy to locate the C.O. As a result, the body cannot balance if the pivot is not put at the center of gravity.

To clarify some of these issues, this paper explains the hypothesis underlying the conception of de Broglie waves, investigates the nature of de Broglie waves, and highlights the principles surrounding the generation of the waves.

This is an added advantage as it minimizes the overall cost of operation which would otherwise have been used to extract the oil from the reservoirs.

In fact, the application of the quantum effect in daily life events has made various people develop an interest in the study of physics.

According to Can et al, the deposition of the film depends on the substrate temperature, the pressure applied, the duration of deposition, and the sputtering power applied.

In this report, though, we employ these devices to determine volumetric flow rates as well as the coefficient of discharge of both the venturi tube and the orifice.

It is admirable how the work defines heat conduction using a very simple approach; I like the fact that the definition of conduction in the discussion is concise.

To analyze the frequency response of R-L and R-C circuit networks. To observe the current and voltage waveforms and analyze the effect of L and C on such waveforms.