Question

please solve this question...ita urgent​

Answer 1

Explanation:

applying dimesional formula we get 4th option as answer

KE=ML^2T^-2

p=LT^-1

q=LT^-2

r=ML^-3

Here comparing these three equiations

r=1

p+q-3r=2

2p=-q+2

-p-2q-3=-2

-p-2q=1

q-2-2q=1

-q=3

p=8

q=-3

dimensional formula of KE=p^8q^-3r^1