Assertion: Stopping distance =`('Kinetic energy')/('Stopping force')`.
Reason: Work done in stopping a body is equal to change in kinetic energy of the body.
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.