A46 g marble moving at 2.3 m/s strikes a 30 g marble at rest. assume the collision is perfectly elastic and the marbles collide head-on.
part a:
what is the speed of the first marble immediately after the collision?

part b:
what is the speed of the second marble immediately after the collision?

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.