1pt An acrylic rod is charged by friction when rubbed against a silk cloth. When brought near a piece of polystyrene foam, the foam is
attracted to the rod. Which of the following is the most reasonable
estimate of the amount of charge on the rod?
O A. 1x10-8 C
O B. 1x10-3 C
O c. 10
OD. 100 C

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.