What Is the Power Output Needed from a Motor to Lift,in

question 37

Multiple Choice

What is the power output needed from a motor to lift,in the absence of friction,a mass of 1.5 $\times$ 10⁴ kg 25 m in 6.0 s at constant speed?

• A)2.0 \(\times\) 10⁶ W
• B)6.1 \(\times\) 10⁵ W
• C)2.2 \(\times\) 10⁴ W
• D)8.3 \(\times\) 10⁵ W
• E)3.1 \(\times\) 10⁵ W

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