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1
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If a particle of mass ' $m$ ' covers half of the horizontal circle with constant speed ' $v$ ', then the change in its kinetic energy is

A

$m v^2$

B

zero

C

$2 m v^2$

D

$\frac{1}{2} m v^2$

2
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Ratio of angular velocity of hour hand of a watch and the angular velocity of rotation of Earth is

A

$1: 1$

B

$2: 1$

C

$4: 1$

D

$1: 2$

3
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
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
A
$9 \mathrm{~ms}^{-1}$
B
$2 \mathrm{~ms}^{-1}$
C
$3 \mathrm{~ms}^{-1}$
D
$6 \mathrm{~ms}^{-1}$
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-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?
A
$\frac{4 \pi}{9} \mathrm{rad} / \mathrm{s}$
B
$\frac{\pi}{6} \mathrm{rad} / \mathrm{s}$
C
$\frac{2 \pi}{3} \mathrm{rad} / \mathrm{s}$
D
$\frac{\pi}{3} \mathrm{rad} / \mathrm{s}$
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