Question

a boy of mass 40 kg walks up a distance of 12 m in 40 sec and if the energy is transferred by leg muscle of boy at rate of 30 kj ever minute what is boy energy output​

Answer 1

Answer:

F=

d

2

Gm

1

m

2

m

1

=40 kg,m

2

=60 kg,d=0.5 m

=

(0.5)

2

G×40×60

=

0.25

G×2400

=

0.25

6.67×10

−11

×2400

=64032×10

−11

=6.4032×10

−7

N