Frequency of a wave

You and your neighbour are shovelling snow. If your neighbour pushes a shovel four times as far as you do but exerts only a half the force, which one of you does more work and by how much?

Select ALL the correct answers. Two metal balls are dropped from the top of a two-story building at the same time. One ball is twice as heavy as the other ball. Which statement about their motion are true? Assume that air resistance isn't a factor.

which of the materials would be able to scratch Quartz

What was the collective name for the four ancient sporting tournaments in Greece? Olympic Games

If the current is increased what will happen to resistance?

Explain two ways that technology has had a positive impact on the environment and two ways that it has had a negative impact on the environment.

A rockets initially at rest, it steady gains speed at a rate of 10m/s^2 for 4.6s during take off. What was the rocket's top speed?

What do you mean by kintic theory of matter

What do u think is the smallest piece that you could break sand into

You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizontal range. You shoot the gun straight up, and it takes 36.761s for the dart to land back at the barrel.