C: energy
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A 2.0 kg mass has 300 J of kinetic energy. What is the speed of the mass?
A rocket of total mass M is travelling at a speed v. The engine of the rocket is fired and fuel is used up. The mass …
A builder lifts eight slabs from the ground on to the back of a lorry 1.5 m high. The total time taken is 48 s and ea…
A man uses clay to make a pot. He wants the pot to be as stable as possible when placed on a flat surface. Which two …
The graph shows the extension of a piece of copper wire as the load on it is increased. What does the graph show?
The diagram shows a manometer containing mercury that is sealed at one end. What happens to the distance h when the m…