Question Text
Question 1 :
A particle moves along a circular path of radius $r$ with uniform speed $v$. The angle described by the particle in one second is given by:<br/>
Question 2 :
The angular velocity of a rickshaw wheel is $70\ rad s^{–1}$. If the radius of the wheel is $0.5$ m, the linear velocity is:<br/>
Question 3 :
A car is travelling at a given instant 40 m/s on a circular road of radius 400 m. Its speed is increasing at the rate 3 m/s. Its  acceleration is
Question 4 :
A fly-wheel is rotating about its own axis at an angular velocity $11\ rad/s$. Its angular velocity in revolution per minute ($rpm$) is:<br/>
Question 6 :
A motor cyclist takes a U-turn in $4$ seconds. His angular velocity will be _______ $rads^{-1}$.<br/>
Question 8 :
Two particles having mass $M$ and $m$ are moving in circular paths having radii $R$ and $r$. If their time periods are same then the ratio of their angular velocities will be :<br/>
Question 9 :
A wheel has moment of inertia 5 x $10^{-3} kg m^2$ and is making 20 rev/sec. The torque needed to stop it in 10 sec is ................ x $10^{-2}N -m$ :-
Question 10 :
The angular velocity of a wheel is $70\;rad/s$. If the radius of the wheel is $0.5\;m$, then linear velocity of the wheel is