The mass of Earth is 5.98x10^24kg and the Moon's mass is 7.35*10^22kg. The two objects are separated by a distance of 3.84x10^9m. What is the velocity of the Moon around the Earth?
What is the period of the Moon around the Earth?

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

Place me with this question is my last question

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?