AP EAPCET 2024 - 21th May Morning Shift | Circular Motion Question 1 | Physics

The centripetal acceleration of a particle in uniform circular motion is $18 \mathrm{~ms}^{-2}$. If the radius of the circular path is 50 cm , the change in velocity of the particle in a time of $\frac{\pi}{18} \mathrm{~s}$ is

$9 \mathrm{~ms}^{-1}$

$2 \mathrm{~ms}^{-1}$

$3 \mathrm{~ms}^{-1}$

$6 \mathrm{~ms}^{-1}$

AP EAPCET 2024 - 20th May Evening Shift

MCQ (Single Correct Answer)

-0

A particle revolving in a circular path travels the first half of the circumference in 4 s and the next half in 2 s . What is its average angular velocity?

$\frac{4 \pi}{9} \mathrm{rad} / \mathrm{s}$

$\frac{\pi}{6} \mathrm{rad} / \mathrm{s}$

$\frac{2 \pi}{3} \mathrm{rad} / \mathrm{s}$

$\frac{\pi}{3} \mathrm{rad} / \mathrm{s}$

AP EAPCET 2024 - 20th May Evening Shift

MCQ (Single Correct Answer)

-0

A small disc is on the top of a smooth hemisphere of radius $R$. The smallest horizontal velocity $v$ that should be imparted to the disc, so that disc leaves the hemisphere surface without sliding down is ( there is no friction )

$v=\sqrt{g^2 R}$

$v=\sqrt{2 g R} 4$

$v=\sqrt{g R}$

$v=\sqrt{\frac{g}{R}}$

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-0

A wheel of angular speed $600 \mathrm{rev} / \mathrm{min}$ in is made to slow down at a rate of $2 \mathrm{rad} \mathrm{s}^{-2}$. The number of revolutions made by the wheel before coming to rest is

157

314

177

117

AP EAPCET Subjects