A person on a bike (m=90 kg) is traveling 4 m/s at the top of a 2 m hill. what is the bikers total energy? A) 1,944 J

B) 2,484 J

C) 1,764 J

D) 720 J

D) 720 J

Explanation:

Given : m=90kg

Total Energy = K. E. + P. E.  =+mgh

Since bike is present over a surface of Earth (top of hill) hence h=0m.

Therefore,

Total Energy=  *90kg*+(90kg)*(9.81)x(0)

= 720 J

Hence total energy of bike is equal to 720 J

because growing process had stoped after 4-5 year