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meriva
3 years ago
9

The brakes on a 15,680 N car exert a stopping force of 640 N.

Physics
1 answer:
Murrr4er [49]3 years ago
6 0

Answer:

1568 Kg is the answer

Explanation:

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g A 1.45-kg block is pushed against a vertical wall by means of a spring (k = 860 N/m). The coefficient of static friction betwe
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Answer:

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From the question we are told that

              The mass of the block is m_b = 1.45 kg

               The spring constant is  k = 860 N/m

               The coefficient of static friction is  \mu = 0.36

For the the block not slip it mean the sum of forces acting on the  horizontal axis is equal to the forces acting on the vertical axis

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And the force acting on the horizontal axis is  force due to the spring which is mathematically represented as

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where x is the minimum compression to keep the block from slipping

        Now equating this two formulas and making x the subject

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