Question

our horse of mass 210 kg and a dog of mass 25 kg are running at the same speed which of the two post possesses more kinetic energy how

Answer 1

the horse will posses more kinetic energy as if we consider any value as the magnitude of velocity lets consider 5 ms ^-1 as velocity

then the kinetic energy of horse = 1/2 ×210kg×5ms^-1×5ms^-1 =2625 kg ms^-1^2

and the kinetic energy of dog = 1/2 × 25kg×5ms^-1×5ms^-1 =312.5kg ms^-1^2

from this solution we got that the horse will posses more kinetic energy

Answer 2

Answer:

Kinetic energy, K.E. = 1/ 2 mv2

If the velocity is constant, Kinetic energy is directly proportional to mass. So as mass increases, kinetic energy also increases. Here, mass of horse is greater than that of dog, so kinetic energy of the horse is greater than dog when speed is constant.