2. Explain how the type of image that is formed by a concave mirror depends on the location of the object.

More solar radiation is absorbed by earth’s surface than by

Does heating a metal wire increase or decrease its electrical resistance? why?

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.