recitation02

recitation02 - Physics 1301.500 University of Minnesota M....

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Physics 1301.500 University of Minnesota M. Zudov Recitation: Week 2 1). Skydiver #1 from the University Skydiving Club steps out of a plane when it is 1 mile above the ground and 10 seconds later skydiver #2 steps out of the plane (at the same height). They both want to land on the ground at the same time. To make an estimate assume that a skydiver falls with a constant acceleration of 32 ft/s 2 before the parachute opens and once the parachute has opened the skydiver falls with a constant velocity of 12 ft/s. If skydiver #1 opens his parachute 2 seconds after stepping out of the plane, how long should skydiver #2 wait before opening her parachute. 2). An automobile travels north (+ y direction), covering a distance of 30 mi in 35 min, stops for 20 min, and then goes west ( x direction) for 20 mi, taking 25 min. Calculate displacement, magnitude of the displacement, distance traveled, average velocity, magnitude of average velocity, and average speed.
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Physics 1301.500 University of Minnesota
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recitation02 - Physics 1301.500 University of Minnesota M....

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