Question

[CBSE AIPMT]
The instantaneous angular position of a point on a rotating wheel is given by the equation
Q (t) = 2t - 6t2
The torque on the wheel becomes zero at
(1) t= 0.5 s
(2) t=0.25 s
(3) 1=2s
(4) t=1s​

Answer 1

Answer:

option first t=0.5 s is the correct answer