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AURORKA [14]
3 years ago
13

A 10 kg-shopping cart is being pushed with a net force of 18 N, what is the acceleration

Physics
1 answer:
Lesechka [4]3 years ago
6 0

Answer:

180m/s²

Explanation:

A = Fm

A = 18(10)

A = 180m/s²

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A 0.750 kg block is attached to a spring with spring constant 17.5 N/m. While the block is sitting at rest, a student hits it wi
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Answer:

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Explanation:

From the question we are told that

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    The position consider is  x =  0.750A  meters from equilibrium point

   

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The kinetic energy  by the hammer  =  The energy stored in the spring at the point considered   +   The kinetic energy at the considered point

             \frac{1}{2}  * m *  v^2 = \frac{1}{2}  * k x^2 + \frac{1}{2}  * m *  u^2

=>          \frac{1}{2}  * 0.750 *  0.39^2 = \frac{1}{2}  * 17.5* 0.750(0.081 )^2 + \frac{1}{2}  * 0.750 *  u^2

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