1
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A circular well of diameter 2 m has water upto the ground level. If the bottom of the well is at a depth of 14 m , the time taken in seconds to empty the well using a 1.4 kW motor is

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

A

1860

B

2200

C

2660

D

3300

2
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The co-ordinates of the centre of mass of a uniform $L$ shaped plate of mass 3 kg shown in the figure is

AP EAPCET 2025 - 23rd May Evening Shift Physics - Center of Mass and Collision Question 7 English
A

$\left(\frac{5}{6} m, \frac{5}{6} m\right)$

B

$\left(\frac{3}{2} m, \frac{3}{2} m\right)$

C

$\left(\frac{1}{2} m, \frac{1}{2} m\right)$

D

$\left(\frac{6}{5} m, \frac{6}{5} m\right)$

3
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A circular disc of mass 20 kg and radius 1 m is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity of $2 \mathrm{rad} \mathrm{s}^{-1}$. Then, the rotational kinetic energy of the disc is

A

100 J

B

50 J

C

75 J

D

20 J

4
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The equations for the displacements of two particles in simple harmonic motion are $y_1=0.1 \sin \left(100 \pi t+\frac{\pi}{3}\right)$ and $y_2=0.1 \cos \pi t$ respectively. The phase difference between the velocities of the two particles at a time $t=0$ is

A

$\frac{\pi}{4}$

B

$\frac{\pi}{2}$

C

$\frac{\pi}{6}$

D

$\frac{\pi}{3}$