A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a particular jump, the trampoline extends 0.84 m below its rest level. What height above the rest position of the trampoline will the child reach from this jump?
A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a particular jump, the trampoline extends 0.84 m below its rest level. What height above the rest position of the trampoline will the child reach from this jump?
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Transcribed Image Text:A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a
particular jump, the trampoline extends 0.84 m below its rest level. What height
above the rest position of the trampoline will the child reach from this jump?
Transcribed Image Text:A child pulls on a rope attached to a toy duck with a force of 120 N at an angle of
45°. The force of friction acting duck is 17 N.
Calculate the total work done on the toy if the child pulls the toy 5.4 m.
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