What is the average distance, in millions of kilometers, from the sun to the asteroid belt?
a) 85
b) 503
c)189
d)129
why?

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is