Assertion(A): A body can have energy without having momentum but it can’t have momentum without having energy.

Reason(R): Momentum and energy, have same dimensions

(A) is false but (R) is true

Both(A) and (R)are true and (R) is the correct explanation of (A)

Both(A) and (R)are true and (R) is not the correct explanation if (A)

(A) is true but (R) is false