Calculate the work done by a 47 n force pushing a pencil 0.26 m. question 1 options: a. 0.005 j b. 12.2 j c. 180.77 j

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

The energy equivalent of the rest mass of an electron is