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March 27, 2017

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A sled starts from rest at the top of a hill and slides down with a constant acceleration. At some later time it is 14.4 m from the top; 2.00 s after that it is 25.6 m from the top, 2.00 s later 40.0 m from the top, and 2.00 s later it is 57.6 m from the top.

What is the acceleration of the sled?

What is the speed of the sled when it passes the 14.4-m point?

How much time did it take to go from the top to the 14.4-m point?

How far did the sled go during the first second after passing the 14.4-m point?

  • Physics - ,

    Acceleration = .800 m/(s^2)
    Speed passed 14.4 = 4.8 m/s
    Time at 14.4 = 6 s
    Distance = 5.20 m

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