Posted by MATHEWS on Tuesday, November 9, 2010 at 7:41pm.
A force used to lift a 12kilogram mass to a height of 8 meters in 2 seconds does 1040 joules of work.
QUESTIONS:
A;How much force is used?
B;What power is developed?

7th grade  bobpursley, Tuesday, November 9, 2010 at 7:43pm
Force*distance=1040
you know distance, solve for force.
power= 1040/2 watts

7th grade  MATHEWS, Tuesday, November 9, 2010 at 7:49pm
ya but i need answers for questions a and b can u just tell me
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