2. A vehicle moves in one dimension with the velocity vs. time graph shown. (2) Over what time intervals is the velocity increasing?
(b) Over what time intervals is the velocity decreasing?
*) Determine the displacement during the interval from t = 2 to t = 5 s.
(d) On the axes below, sketch the acceleration vs. time graph of the vehicle over the
entire time.

Which statement best describes how private industry decides where to spend the money on research and development

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.