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Physics
A Level

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
3085 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
23195 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
4051 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
3660 Views

How would I derive Kepler's third law from Newton's law of gravitation and the equations of circular motion?

Kepler's third law states that the square of the period of the orbit is directly proportional to the cube of the radius of the orbit (T^2=kr^3) where r is some constant to be determined. This can be deter...

MW
Answered by Matthew W. Physics tutor
8495 Views

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