Acannon, elevated at 40 is fired at a wall 300 m away on level ground, as shown in the figure below. the initial speed of the cannonball is 89

Aman pushes on a trunk with a force of 250 newtons. the trunk does not move. how much positive work is done on the trunk? 0.0 j -250 j 250 j 125 j

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?