A1.00-kilogram ball is dropped from the top of a building. just before striking the ground, the ball's speed is 12.0 meters per second. what was the ball's gravitational potential energy, relative to the ground, at the instant it was dropped? [neglect friction.]

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.

Avery light ping-pong ball moving east at a speed of 4 m/s collides with a very heavy stationary bowling ball. the ping-pong ball bounces back to the west, and the bowling ball moves very slowly to the east. which object experiences the greater magnitude impulse during the collision?

Do students need summer development? for 108 randomly selected college applicants, the following frequency distribution for entrance exam scores was obtained. construct a histogram, frequency polygon, and ogive for the data. (the data for this exercise will be used for exercise 13 in this section.)