- 1 How Much Work Is Needed To Lift A Textbook With A Mass Of 2 00kg By 50 0 Cm 2 A Weight Lifter Lifts A 490 N Set O 1 (59.34 KiB) Viewed 37 times
1. How much work is needed to lift a textbook with a mass of 2.00kg by 50.0 cm? ↑ 2. A weight lifter lifts a 490-N set o
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1. How much work is needed to lift a textbook with a mass of 2.00kg by 50.0 cm? ↑ 2. A weight lifter lifts a 490-N set o
1. How much work is needed to lift a textbook with a mass of 2.00kg by 50.0 cm? ↑ 2. A weight lifter lifts a 490-N set of weight from the ground level to a position over his head, a vertical distance of 2.00 m. How much work does the weight lifter do, assuming he moves the weights at a constant speed (no acceleration)? 25kg 201