A Force = (4

question 18

Multiple Choice

A force = (4.1 N) + (2.6 N) - (4.7 N) acts on a mass of 2.3 kg as it moves in the x direction at a speed of 7.2 m/s.What is the rate at which the force is doing work?

• A)8.8 W
• B)16 W
• C)30 W
• D)49 W
• E)60 W

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