Question

Question No. 21 View f position x of a particle changes with time tas x = 2 + 3t - 3, where x is in metre and tis in second, then vaincity of the particle at t= 1 s will be 4 m/s O 3 m/s 1 m/s 0 7 m/s​

Answer 1

position : x = 2 + 3t - 3

velocity : rate of change of displacement = displacement/time = $\frac{dx}{dt}$

v = $\frac{dx}{dt}$ = 0 + 3 - 0 = 3 m/s