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This is the first of two questions about net impulse during a vertical jump. Austin (75.9 kg body mass) is recovering from knee surgery and is doing testing to be cleared to return to sport. One of the evaluations is a vertica jump on a force plate which gives ground reaction force. The data show that they stood motionless for 1 s then initiated the counter-movement jump. Vertical ground reaction force was reduced to 75.5% of body weight for 0.55 s during the counter movement. Vertical ground reaction

This is the first of two questions about net impulse during a vertical jump. Austin (75.9 kg body mass) is recovering from knee surgery and is doing testing to be cleared to return to sport. One of the evaluations is a vertica jump on a force plate which gives ground reaction force. The data show that they stood motionless for 1 s then initiated the counter-movement jump. Vertical ground reaction force was reduced to 75.5% of body weight for 0.55 s during the counter movement. Vertical ground reaction

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This is the first of two questions about net impulse during a vertical jump. Austin (75.9 kg body mass) is recovering from knee surgery and is doing testing to be cleared to return to sport. One of the evaluations is a vertical jump on a force plate which gives ground reaction force. The data show that they stood motionless for 1 s then initiated the counter-movement jump. Vertical ground reaction force was reduced to 75.5% of body weight for 0.55 s during the counter movement. Vertical ground reaction force then increased to 166% of body weight for 0.36 s. What was the net impulse (impulse greater than what would be needed to simply support body weight). Give your answer to one decimal place.
Transcribed Image Text:This is the first of two questions about net impulse during a vertical jump. Austin (75.9 kg body mass) is recovering from knee surgery and is doing testing to be cleared to return to sport. One of the evaluations is a vertical jump on a force plate which gives ground reaction force. The data show that they stood motionless for 1 s then initiated the counter-movement jump. Vertical ground reaction force was reduced to 75.5% of body weight for 0.55 s during the counter movement. Vertical ground reaction force then increased to 166% of body weight for 0.36 s. What was the net impulse (impulse greater than what would be needed to simply support body weight). Give your answer to one decimal place.
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