A0.200-kilogram ball a is traveling at a velocity of 2 meters/second. it hits a 1-kilogram stationary ball b. which statement is true of the motion of the balls if the collision is elastic

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?