A Mass of 47 Kg Is Moving Horizontally as a Force

question 55

Multiple Choice

A mass of 47 kg is moving horizontally as a force of 190 N, directed at 25° below the horizontal, is exerted on it.When its speed is 7.3 m/s, what is the rate at which the force is doing work?

• A)0 W
• B)340 W
• C)590 W
• D)1300 W
• E)1400 W

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