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Physics
All levels

A student has loaded a spring beyond its limit of proportionality. What does this mean?

The limit of proportionality is the is the point beyond which Hooke's law is no longer true when stretching a material.

AP
4224 Views

A ball mass 2kg rests on a slope of angle 60 degrees. If it is stationary, calculate the coefficient of static friction

Because the ball is stationary, the sum of the forces acting on it must be equal to 0. We can split the ball's weight into two components: perpendicular and parallel to the slope.W(para)=2gsin60W(perp)=2g...

ME
Answered by Milo E. • Physics tutor
1635 Views

A cricket player throws a ball such that it travels 10 meters in 2 seconds at constant acceleration. Calculate the kinetic energy of the ball if it has a mass of 1kg.

This problem can be broken up into two steps:1) Finding the speed (velocity) of the ball2) Finding the kinetic energy.To find the speed we can use the equation shown: Speed= Distance/Time

FM
Answered by Finn M. • Physics tutor
4016 Views

What is potential energy?

When most students start their physics courses the first form of energy they learn about is kinetic energy which is related to the velocity that an object has. Conversely, potential energy is a form of en...

AH
Answered by Adem H. • Physics tutor
1179 Views

Describe the interaction that is responsible for keeping protons and neutrons together in a stable nucleus.

The interaction responsible for keeping protons and neutrons together in a stable nucleus is the strong interaction. The strong interaction has a very short range of less than/up to 5fm. The strong intera...

DN
Answered by Dhaval N. • Physics tutor
11803 Views

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