Question
A boxcar moves right at 50 m/s. A physics professor kicks a soccer ball at 5 m/s towards the front on the car. Since the
A boxcar moves right at 50 m/s. A physics professor kicks a soccer ball at 5 m/s towards the front on the car. Since the boxcar is 10 m long, he measures the time it takes for the ball to reach the front wall to be t = 10m/5m/s = 2s. What time does the girl at the station measure?
a) 2 seconds
b) more than 2 seconds
c) less than 2 seconds
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
