aliciavazquez1 aliciavazquez1

20-04-2017
Physics

contestada

A physics book slides off a horizontal tabletop with a speed of 3.90 m/s . It strikes the floor in 0.350 s . Ignore air resistance. Find the height of the tabletop above the floor.

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20-04-2017

(redone)
The formula we need is d = vt + 1/2at^2. Plugging in your numbers, we get
d = 3.9*.35 + 1/2*9.8*0.1225

D = 1.965 m

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