The number of the magnetic lines of force is called

46. two objects of different mass are released simultaneously from the top of a 20-m tower and fall to the ground. if air resistance is negligible, which statement best applies? a. the greater mass hits the ground first. b. both objects hit the ground together. c. the smaller mass hits the ground first. d. no conclusion can be made with the information given. ans: b pts: 1 dif: 2

What is the work of an object w and a force of 5n travelling a distance of 2m

Explain the following using behavior of molecules where possible . a steel needle placed carefully on the surface of water does not sink