A student rolls a ball at different speeds to try moving a box of sand.

hello friend!

Explanation:

IM not sure what your talking about but ima try the best i can

So lets go to newtons laws of motion, basically he said, more force, more movement. But it depends on how heavy the object is.

Sooo The more heavy the box of sand is, The more force he would have to use to move it. You can also relate this to how much he wnted to move it :)

Sorry if this didnt help :(

i'm pretty sure it is letter c.) car

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.