What's the energy transfer for a catapult

A waterwheel is an example of:

A soccer ball rolls 12.6 meters in 4.5 seconds what's the average speed

If 15 N of force are applied to a cart to move it a distance of 5m, how much work is done on the cart

What kind of energy does a skier have standing still at the top of a hill?

Which single force acts on an object in free fall? A. Air resistance B. gravity C. Friction D. fluid forces

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

Gamma radiation can be significantly reduced by ... A sheet of paper Air A 3 mm thickness of aluminium Several cm of lead