Wednesday

August 20, 2014

August 20, 2014

Posted by **youlife** on Tuesday, September 10, 2013 at 7:16pm.

Consider a coordinate system with origin at the school-crossing corner, x=0, and the +x-axis in the direction of the car's motion.

(a) How long does it take for the motorcycle to catch up with the car (in s)?

(b) How long does it take for the motorcycle to speed up to 25.500 m/s? (Express your answer in s.)

(c) How far (in m) is the motorcycle from the corner when switching from speeding up to slowing down?

(d) How far (in m) is the motorcycle from the car when switching from speeding up to slowing down?

(e) What is the acceleration (in m/s2) of the motorcycle when slowing down? (pay attention to the sign)

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