Assertion: The instantcous power of an agent is measured as the dot product of instaneous velocity and the force acting on it at that instant.
Reason: The unit of instaneous power is watt.
A. If both assertion and reason are true and reason is a true explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion is and reason are false.
