The iron-rich core of the Moon is thought to be about how many kilometers in diameter?

How does mass affect the speed of an object

How much work must be done on a 20-kg go-cart to increase its speed from 5 m/s to 10 m/s? a. 750 J b. 250 J c. 100 J d. 1000 J

A force does 30000 J of work along a distance of 9.5m. Find the applied force.

Geneva says that the only thing people need to hear the sounds around them is a vibrating object. do you agree with her? explain your answer.

What kind of simple machine is a swing

The force of gravity acts upon meteors from the rocky asteroid belt between mars and Jupiter. Where is the force of gravity most likely to pull these meteors

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. Which of the following best describes how such a telephone is able to transmit and receive information? A.

Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder.

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff

A 15.0 m long plane is inclined at 30.0 degrees. If the coefficient of friction is 0.426, what force is required to move a 40.0 kg mass from rest at the bottom on the plane to the top of the plane with a final velocity of 8.00 m/s?