College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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You are the technical advisor to a crew filming an action movie. The director wants a motorcycle to
jump across a high fence, with the rider flashing green light at the top of the bike’s trajectory. You
construct a ramp of height 1.5 m and set the speed so that the bike leaves the ramp with initial
velocity components vx0 = 20 m/s and vy0 = 10 m/s. We use g = 10 m/s^2.
a) Draw a sketch, including the coordinate system and the intended trajectory, and collect the available
information. Please make tables for the relevant states (initial, etc.)
b) When should the rider flash the green light? (Answer: 1.0 s after taking off.)
c) How high a fence can the bike clear, and where should the fence be placed?
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