The orbit of an object is caused by what two factors * 1. The initial force of motion and an inward-acting force
2. 2 unbalanced forces
3, A push or pull on an object

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

The speed of light can be used to measure the