NDA Government Jobs Exams

The displacement of a particle is given by x = cos2 ωt the motion is -
(a) simple harmonic (b) periodic but not simple harmonic
(c) non-periodic (d) none of the above

Read Solution (Total 0)

NDA Other Question

The pH of fresh milk is 6.When it turns sour, the pH -
(a) becomes < 6 (b) remains the same, i.e., 6
(c) becomes > 6 (d) becomes neutral, i.e., 7 A motor vehicle is moving on a circle with a uniform speed. The net acceleration of the vehicle is -
(a) zero
(b) towards the centre of the circle
(c) away from the centre along the radius of the circle
(d) perpendicular to the radius and along the velocity