Asked by Debby
An escalator in a shopping centre carries people up through a height h at a vertical speed of
v, but you’re in a hurry when you step onto it, so you climb the moving steps (each with a
height of h
) at a rate of n steps/s. Determine:
4.1 the amount of chemical energy converted into mechanical energy by your leg muscles
s
during your escalator ride, given that your mass is m;
4.2 the work the escalator motor does on you;
4.3The total amount of work done by your legs and the escalator in getting you to the top.
v, but you’re in a hurry when you step onto it, so you climb the moving steps (each with a
height of h
) at a rate of n steps/s. Determine:
4.1 the amount of chemical energy converted into mechanical energy by your leg muscles
s
during your escalator ride, given that your mass is m;
4.2 the work the escalator motor does on you;
4.3The total amount of work done by your legs and the escalator in getting you to the top.
Answers
Answered by
Gregor
Are you perhaps trying the find the answer to this week's weekly problem set? I think I need to give you a stern talking to.
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