An object accelerates from rest with a constant acceleration of 7.5m/s^2. How fast will it be traveling after it goes 87m?

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Explanation:

To find the final velocity Vf of an object you can use this formula :

     Vf = √Vi^2 + 2ad

          = √0m/s^2 + 2(7.5m/s^2)(87m)

          = 36.1247 m/s

The final velocity of this object is 36 m/s

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the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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