PhysicsEasy65×since 2002Q7832The co-ordinates of a moving particle at any time 't' are given by x = α\alphaαt³ and y = βt³. The speed to the particle at time 't' is given byA3tα2+β23t\sqrt {{\alpha ^2} + {\beta ^2}}3tα2+β2B3t2α2+β23{t^2}\sqrt {{\alpha ^2} + {\beta ^2}}3t2α2+β2Ct2α2+β2{t^2}\sqrt {{\alpha ^2} + {\beta ^2}}t2α2+β2Dα2+β2\sqrt {{\alpha ^2} + {\beta ^2}}α2+β2Check answerSkip