A 50.0 g projectile is fired upward at 300m/s and lands at 89m/s. How much mechanical energy is lost to air resistance?

Will a heavier bowling ball hit pins better than a lighter bsll

Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two