Asked by Kristen
"Rocket Man" has a propulsion unit strapped to his back. He starts from rest on the ground, fires the unit, and accelerates straight upward. At a height of 16 m, his speed is 5.0 m/s. His mass, including the propulsion unit, has the approximately constant value of 143 kg. Find the work done by the force generated by the propulsion unit.
Answers
Answered by
bobpursley
work= final KE + final PE
= 1/2 m v^2+ mgh
= 1/2 m v^2+ mgh
Answered by
Anonymous
20376.6
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