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Questions (3)
A crane lifts an 425-kg object vertically upward a distance of 95 m. How much work (in kJ) does the crane do on object if object
1 answer
688 views
What is the work done by the movers on the chest when they lift it straight up 1.0 m compared to sliding it up the 4.0-m-long
1 answer
571 views
A crane lifts a 425-kg steel beam vertically upward a distance of 95 m. How much work (in kJ) does gravity do on the beam if the
1 answer
2,548 views
