A 3.50-kg model rocket is launched straight up. It reaches amaximum height of 10
ID: 1751383 • Letter: A
Question
A 3.50-kg model rocket is launched straight up. It reaches amaximum height of 109 m above where its engine cuts out, eventhough air resistance performs -736 J of work on the rocket. Whatwould have been this height if there were no air resistance?
Number
Units
the tolerance is+/-2%
Chapter 6, Problem54 Incorrect.A 3.50-kg model rocket is launched straight up. It reaches amaximum height of 109 m above where its engine cuts out, eventhough air resistance performs -736 J of work on the rocket. Whatwould have been this height if there were no air resistance?
Number
Units
mthe tolerance is+/-2%
Explanation / Answer
if there is no air resistance then even the work done by the resistance which is converted in to heat contributes for mechanical energy hence extra height reached= 736/3.5*9.8=21.45m hence=130.45m
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