A little boy pushes a wagon with his dog in it. The mass of the dog and the wagon together is 45 kg. The wagon accelerates at. 85 m/s2. What force is the boy pulling with?

What earthquake is considered the most felt earthquake in human history?

A block of mass 200 grams is connected to a light, horizontal spring with a spring constant k = 5 N/m. It is free to oscillate on a frictionless surface, and we'll also neglect air resistance so you don't have to worry about decaying.

What medium is often used to transfer computer information? A. air B. water c. Glass. D. Optic fibers

a 2000-kilogram car uses a breaking force of 12000 newton's to stop in 5 seconds. what impulse acts on the car?

A wheel originally rotating at 126 rad/s undergo a constant angular deceleration of 5.00rad/s. What is the angular speed after it has turned through an angel of 628 radians?

You are standing against the wall near a corner of a large building. A friend is standing against the wall that is around the corner from you. You can't see your friend. How is it that you can hear her when she talks to you?

What is general relativity in easy terms?

Temperature and volume are directly or inversely

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?