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xeze [42]
2 years ago
6

At the local hockey rink, a puck with a mass of 0.12kg is given an initial speed of 5.3m/s. If the coefficient of friction betwe

en the puck and ice is 0.11, how much time does it take the puck to come to rest?
Physics
1 answer:
Salsk061 [2.6K]2 years ago
5 0
Here’s my work to your question. I used Newton’s Second Law and a kinematics equation to arrive at the answer.

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RATIO of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is:
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How is temperature related to the physical change of a substance?
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The opposite poles of two magnets will do which of the following
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What happens to gas that is not used
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3 0
2 years ago
The area of the piston to the master cylinder in a hydraulic braking system of a car is 0.4 square inches. If a force of 6.4 lb
Anit [1.1K]

Answer:

The force applied on one wheel during braking = 6.8 lb

Explanation:

Area of the piston (A) = 0.4 in^{2}

Force applied on the piston(F) = 6.4 lb

Pressure on the piston (P) = \frac{F}{A}

⇒ P = \frac{6.4}{0.4}

⇒ P = 16 \frac{lb}{in^{2} }

This is the pressure inside the cylinder.

Let force applied on the brake pad = F_{1}

Area of the brake pad (A_{1})= 1.7 in^{2}

Thus the pressure on the brake pad (P_{1}) =  \frac{F_{1} }{A_{1} }

When brake is applied on the vehicle the pressure on the piston is equal to pressure on the brake pad.

⇒ P = P_{1}

⇒ 16 = \frac{F_{1} }{A_{1} }

⇒ F_{1} = 16 × A_{1}

Put the value of A_{1} we get

⇒ F_{1} = 16 × 1.7

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⇒ The force applied on one wheel during braking.

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3 years ago
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