What is true of waves?
a.
in a wave, energy is transported from one end of a medium to the other.
c.
in a wave there is no force present acting upon the particles which restores them to their original position.
b.
a wave does not transport matter.

If the new moon happens on january 15th, what shape will it be on february 6th?

What do scientists use a scientific law for?

A12-g wad of sticky clay is hurled horizontally at a 100-g wooden block initially at rest on a horizontal surface. the clay sticks to the block. after impact, the block slides 7.5 m before coming to rest. if the coefficient of friction between the block and the surface is 0.65, what was the speed of the clay immediately before the impact?