Which of the following is an elastic collision?

a vase falling to the floor and shattering
b. two cars colliding and sticking together
c. a wad of gum sticking to a window
d. a tennis racquet hitting a ball

Apossible explanation for a set of facts that can be tested by further investigation is called

Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?

What is the relationship between globular clusters and the milky way?