I\'m not understanding how to calculate can come someone please show me how to d
ID: 1967457 • Letter: I
Question
I'm not understanding how to calculate can come someone please show me how to do it not just solve it. Thank you!A 73.0 kg person is put on an exercise program by a physical therapist, the goal being to burn up 520 food calories in each daily session. Recall that human muscles are about 20.0 % in converting the energy they use up into mechanical energy. The exercise program consists of a set of consecutive high jumps, each one 50.0 cm into the air (which is pretty good for a human) and lasting 1.50 s, on the average.
Part A: How many jumps should the person do per session?
N:____
Part B:How much time should be set aside for each session?
T:_____
Explanation / Answer
Work done per jump = mgh = 73 x 9.8 x 0.5 = 357.7 Joules Actual Energy needed per jump = 357.7 x (100/20) = 1788.5 Joules Now, Goal = 520 food calories = 520 x 4.184 x 10^3 = 2175680 Joules a. Number of jumps = Goal/Actual per jump = 1216.483 Jumps b. Time = 1.5 x 1216.483 = 1824.72 seconds