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Leokris [45]
3 years ago
13

To calculate acceleration you must know both the objects velocity and_____

Physics
1 answer:
amm18123 years ago
8 0

You need to know the time as well.

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A crate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 14.0 N.
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Answer

given,

mass of crate = 32.5 Kg

horizontal force  = 14 N

initial speed, u = 0 m/s

a) acceleration produced = ?

we know,

F = m a

a = \dfrac{F}{m}

a = \dfrac{14}{32.5}

      a = 0.431 m/s²

b) using equation of motion

    t = 10 s

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 s = 0 + \dfrac{1}{2}\times 0.431\times 10^2

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c) again using equation of motion

     v = u + at

     v = 0 + 0.431 x 10

     v = 4.31 m/s

   

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