2048_Spring09_FinalExam

# 2048_Spring09_FinalExam - 77777 Instructor(s...

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77777 77777 1. Near the surface of the earth, a startled armadillo leaps upward at time t = 0. At time t = 1 s it is a height of 2 m above the ground. What is the speed and the direction of motion of the armadillo at this time ( i.e. , at t = 1 s)? (1) 2.9 m/s downward (2) 2.9 m/s upward (3) 2.0 m/s downward (4) 2.0 m/s upward (5) 4.9 m/s downward 2. In the ﬁgure, a car is driven at a constant speed v over a circular hill and then into a circular valley with the same radius by a driver with mass M. If at the top of the hill the normal force on the driver from the car seat is zero, what is the magnitude of the normal force on the driver from the seat when the car passes through the bottom of the valley? (1) 2 Mg
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## This note was uploaded on 01/25/2011 for the course PHY 2048 taught by Professor Field during the Summer '08 term at University of Florida.

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2048_Spring09_FinalExam - 77777 Instructor(s...

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