Question : The displacement π₯ of a particle varies with time π‘, π₯ = ππ βπΌπ‘ + ππ π½π‘, where π, π, πΌ and π½ are positive constants. The velocity of the particle will
(A) Go on decreasing with time
(B) Be independent of πΌ and π½
(C) Drop to zero when πΌ = π½
(D) Go on increasing with time
Answer : (D)
Solution :
