Give reason for the following.
A horse and a dog are running with the same speed. Which one of them has more kinetic energy than the other.

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Solution

K.E = $\frac{1}{2} m v^{2}$
A horse has more mass than dog. As both are running with the same speed. $M_{1}$ of horse is greater than $M_{2}$ of dog.
$∴ K . E .$ of horse is more than $K . E .$ of dog.

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Give reason for the following.A horse and a dog are running with the same speed. Which one of them has more kinetic energy than the other.

K.E = 12mv2A horse has more mass than dog. As both are running with the same speed. M1 of horse is greater than M2 of dog.∴K.E. of horse is more than K.E. of dog.

Give reason for the following.
A horse and a dog are running with the same speed. Which one of them has more kinetic energy than the other.

K.E = $\frac{1}{2} m v^{2}$
A horse has more mass than dog. As both are running with the same speed. $M_{1}$ of horse is greater than $M_{2}$ of dog.
$∴ K . E .$ of horse is more than $K . E .$ of dog.