Question
Asked Apr 9, 2019

Please help

IONS Work, Power& Energy
1. A motor using 3.7 x 10'W is 81% efficient. This motor is pulli
block along a horizontal surface. If the coefficient of t
the speed of the block?
friction is 0.3s, what is
molor
450o kg
-0.35
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IONS Work, Power& Energy 1. A motor using 3.7 x 10'W is 81% efficient. This motor is pulli block along a horizontal surface. If the coefficient of t the speed of the block? friction is 0.3s, what is molor 450o kg -0.35

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check_circleExpert Solution
Step 1

Given: work done = 3.7 × 103 W

Efficiency = 81%

mass of block, m = 450 kg

Coefficient of friction = 0.35

Find: Speed of the block

Step 2

To calculate speed of the block, use the relation as:

Power = Force × velocity

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Step 3

Where, Power and Force can be ca...

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Work,Power and Energy

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