Physics, 02.10.2020 09:01 brisamauro27
An athlete whose mass is 91.0 kg is performing weight-lifting exercises. Starting from the rest position, he lifts, with constant acceleration, a barbell that weighs 430 N . He lifts the barbell a distance of 0.55 m in a time of 1.7 s .
Part A
Use Newton's laws to find the total force that his feet exert on the ground as he lifts the barbell.
Express your answer using two significant figures.
Answers: 3
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An athlete whose mass is 91.0 kg is performing weight-lifting exercises. Starting from the rest posi...
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