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Physics
A Level

Describe the energy changes in the 4 stages of a bungee jump - at the top, in freefall, when the cord is stretching and at the bottom

There are 3 forms of energy during a bungee jump, kinetic (KE = 0.5mv^2), gravitational potential (GPE = mgh) and elastic potential (EPE = 0.5kx^2). Energy is conserved throughout, and it's assumed none i...

FE
Answered by Felix E. Physics tutor
31730 Views

With the help of a suitably labelled graph, explain what is meant by resonance of a mechanical system.

  • The resonance of a system occurs when the driving force is equal to the natural frequency. - This occurs at a certain specific frequency. - For example: someone being pushed on a swing. - (Diagram o...
HE
Answered by Henry E. Physics tutor
2823 Views

Explain the findings from Rutherford's alpha particle scattering experiment.

Rutherford's alpha scattering experiment showed that the majority of alpha particles fired at a thin sheet of gold leaf passed straight through. Some of the particles passed through the leaf with a small ...

JA
Answered by James A. Physics tutor
22275 Views

Define the term "Gravitational Potential" and write down a formula which defines it.

The Gravitational Potential is the work done in moving a unit mass (1kg) from an infinite distance to a point in a radial gravitational field. The Gravitational Potential is defined as being zero an infin...

JB
Answered by Jay B. Physics tutor
3811 Views

How can I measure the orbital period of a satellite around Earth?

In order to find the orbital period of a satellite around earth, you must understand the forces at play in this situation. You must equate the two radial forces acting on the satellite - these are Newton'...

AE
Answered by Alexander E. Physics tutor
3390 Views

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