Multiple Choice
The work W (in joules) done when lifting an object varies jointly with the mass m (in kilograms) of the object and the height h (in meters) that the object is lifted.The work done when a 120-kilogram object is lifted 1.8 meters is 2116.8 joules.How much work is done when lifting a 200-kilogram object 1.5 meters?
A) 2960 J
B) 2920 J
C) 2940 J
D) 2950 J
E) 2930 J
Correct Answer:

Verified
Correct Answer:
Verified
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