Thread: Motion
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Old July 3rd, 2009, 04:10 PM
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Originally Posted by Joker37 View Post
A car travelling with a constant speed of 80 km/h passes a stationary motorcyle policeman. The policeman sets off in pursuit, accelerating to 80 km/h in 10.0 s and reaching a constant speed of 100km/h after a further 5.0 s. At what time will the policeman catch up with the car?
On the same set of axes, draw the velocity-time graphs for the car and the motorbike. Then find the time at which the area under each is equal.
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