1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Two objects having masses $1: 4$ ratio are at rest. When both of them are subjected to same force separately, they achieved same kinetic energy during times $t_1$ and $t_2$ respectively. Then, ratio of $\frac{t_2}{t_1}$ is
A
4
B
2
C
2.5
D
1
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
An object of mas $m$ is projected with an initial velocity $u$ with angle of $\theta$ with the horizontal. The average power delivered by gravity in reaching the highest point
A
$\frac{m g u \sin ^2 \theta}{2}$
B
$\frac{m u^2 \sin ^2 \theta}{2 g}$
C
$\frac{m g \sin ^2 \theta}{2 u}$
D
$\frac{m g u \sin \theta}{2}$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-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 )
A
$v=\sqrt{g^2 R}$
B
$v=\sqrt{2 g R} 4$
C
$v=\sqrt{g R}$
D
$v=\sqrt{\frac{g}{R}}$
4
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
$\omega_C=\omega_A+\omega_B$
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