Constant Acceleration Problems. Finding Distance Under Constant Acceleration A car starts form rest and speed up at 3.5m/s 2 after a traffic light turns.

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Presentation transcript:

Constant Acceleration Problems

Finding Distance Under Constant Acceleration A car starts form rest and speed up at 3.5m/s 2 after a traffic light turns green. How far will it have gone when it is going 25m/s

A bike riders rides down the road with a velocity of 6.30m/s. He then accelerates at a rate of 1.2m/s 2. How far did travel when he reaches 8.30m/s?

A park ranger driving on a back country road suddenly see a deer “frozen” in his head lights. The ranger, who is driving at 11.4m/s immediately applies the breaks and slows with an acceleration of 3.80m/s 2. (a) If the deer is 20.0m form the car when the breaks are applied, how close does the ranger come to hitting the deer? (b) How much time is needed for the ranger’s vehicle to stop?

A plan starting at one end of a runway undergoes a uniform acceleration of 4.8 m/s fro 15 s before takeoff. What is the speed at takeoff? How long must the runway be for the plane to be able to take off?