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Unformatted text preview: a) The lighter block A compresses the spring more. b) The heavier block B compresses the spring more. c) Both still compress the spring by the same amount. 3. [2 points] Two identical bullets are fired into a sandbag, one with twice the speed of the other. If the friction force on the bullets is the same, how much farther will the faster bullet penetrate, if they are stopped within the sandbag? a) 2 times as far. b) Twice as far. c) Four times as far. d) Half as far. 4. [3 points] A (undoped) Tour de France cyclist rides uphill on a 3 incline at a speed of 8.00 m/s. If the rider and the bicycle, together, have a mass of 80.0 kg, and you can neglect friction and air resistance, what is the power output of the athlete? [Use g = 10.0 m/s 2 .] a. 215 W. b. 335 W. c. 558 W. d. 675 W....
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This note was uploaded on 05/13/2010 for the course PHYSICS 53L taught by Professor Mueller during the Fall '07 term at Duke.
 Fall '07
 Mueller
 Physics, Mass

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