A satellite has a circular orbit around the Earth. Its orbital period is 8 hours. mass of satellite 1000kg Calculate it altitude above the Earth's surface.
Calculate its total energy, E = K + U.

I cant remember this

Explanation:

I cant remember this

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.