A driver, traveling at 22. m/s, slows down her 1500. kg car to stop for a red light. What work is done by the friction force against the wheels?
What will be an ideal response?
3.6 × 105 Joules
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A swimming area in a rotating space habitat is located in a region of 1/4 g. If a diver can jump 1 m high in a 1-g region, how high can the same diver jump in the swimming area?
A) 1 m B) 2 m C) 4 m D) 16 m E) more than 16 m
At an altitude of 3 times the radius of the Earth, the acceleration due to gravity is
a. g/3. c. g/27. b. g/9. d. not given.
The dimensional equivalence of the quantity "momentum" in terms of the fundamental quantities (mass, length, time) is:
a. MLT-1. c. MLT. b. ML2T-2. d. MLT-2.
If a particle with a charge of 2 coulombs moves through a potential difference of 12 volts, its change in kinetic energy will a have magnitude of
A) 12 J. B) 6 J. C) 8 J. D) 1/6 J. E) 24 J.