1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A block $P$ is rotating in contact with the vertical wall of a rotor as shown in figures $A, B, C$. The relation between angular velocities $\omega_A, \omega_B$ and $\omega_C$, so that block does not slide down. ( $R_A < R_b < R_c $ radii)AP EAPCET 2024 - 20th May Evening Shift Physics - Rotational Motion Question 3 English
A
$\omega_A<\omega_B<\omega_C$
B
$\omega_A=\omega_B=\omega_C$
C
$\omega_C<\omega_B<\omega_A$
D
$\omega_C=\omega_A+\omega_B$
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A horizontal board is performing simple harmonic oscillations horizontally with an amplitude 0.3 m and a period of 4 s . The minimum coefficient of friction between a heavy body placed on the board if the body does not slip will be
A
$\mu=0.05$
B
$\mu=0.075$
C
$\mu=0.173$
D
$\mu=1.14$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A test tube of mass 6 g and uniform area of cross-section $10 \mathrm{~cm}^2$ is floating in water vertically when 10 g of mercury is in the bottom. The tube is depressed by a small amount and then released. The time period of oscillation is (acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )
A
0.75 s
B
0.5 s
C
0.25 s
D
0.85 s
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
What is the height from the surface of earth, where acceleration due to gravity will be $1 / 4$ of that of the earth? $\left(R_E=6400 \mathrm{~km}\right)$
A
6400 km
B
3200 km
C
1600 km
D
640 km
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