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

The bob of a simple pendulum of length 200 cm is released from horizontal position. If $10 \%$ of its initial energy is lost due to air resistance, then the speed of bob at the mean position is

(Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

A

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

B

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

C

$12 \mathrm{~ms}^{-1}$

D

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

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

A steel sphere of radius 1.2 cm collides a second steel sphere at rest. If the collision is elastic and after the collision the first sphere continues to move in its initial direction with a velocity of $\frac{7}{9}$ times its initial velocity, then the radius of the second sphere is

A

1.8 cm

B

2.4 cm

C

1.2 cm

D

0.6 cm

3
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

$1: 2$

4
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If two bodies of masses 2 kg and 3 kg are moving at right angles with velocities $20 \mathrm{~ms}^{-1}$ and $10 \mathrm{~ms}^{-1}$ respectively, then the velocity of the centre of mass of the system of the two bodies is

A

$5 \mathrm{~ms}^{-1}$

B

$30 \mathrm{~ms}^{-1}$

C

$10 \mathrm{~ms}^{-1}$

D

$14 \mathrm{~ms}^{-1}$