A particle moves in a straight line and its position is defined by the equation x = 6 t2 – t3 where t is expressed in seconds and x in meters. The maximum velocity during the motion is_________________?

Related Mcqs:

A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?

A. 1/2 B. 3/2 C. 2 D. 3...

One Newton is equivalent to________________?

A. 1 kg-wt B. 9.81 kg-wt C. 981 dyne D. 1/9.81 kg-wt...

The condition of equilibrium for any system of forces in a plane is____________________?

A. that polygon of forces must close B. that resultant couple must be zero C. both (A) and (B) D. none of the above...

Which of the following is a scalar quantity ?

A. energy B. momentum C. torque D. impulse...

A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first ?

A. sphere with greater rotational energy at bottom than cylinder B. sphere with lesser rotational energy at bottom than cylinder C. cylinder with greater rotational energy at bottom than sphere D. both reach the bottom simultaneously with equal rotational energy at bottom...