1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A person walks up a stalled escalator in 90 s. When standing on the same moving escalator, he reached in 60s. The time it would take him to walk up the moving escalator will be
A
36 s
B
72 s
C
18 s
D
27 s
2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A particle of mass $m$ at rest on a rough horizontal surface with a coefficient of friction $\mu$ is given a

velocity $u$. The average power imparted by friction before it stops

A

zero

B

$\frac{1}{2} \mu m g u$

C

$\mu m g u$

D

$2 \mu \mathrm{Mgv}$

3
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A soccer ball of mass 250 g is moving horizontally to the left with a speed $22 \mathrm{~ms}^{-1}$. This ball is kicked towards right with a velocity $30 \mathrm{~ms}^{-1}$ at an angle $53^{\circ}$ with the horizontal in upward direction. Assuming that it took 0.01 s for the collision to take place, the average force acting is $\left(\cos 53^{\circ}=\frac{3}{5}, \sin 53^{\circ}=\frac{4}{5}\right)$
A
1000 N
B
986 N
C
1166 N
D
2000 N
4
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The moment of inertia of a solid sphere about its diameter is $20 \mathrm{~kg}-\mathrm{m}^2$. The moment of inertia of a thin spherical shell having the same mass and radius about its diameter is
A
$16.6 \mathrm{~kg}-\mathrm{m}^2$
B
$30.3 \mathrm{~kg}-\mathrm{m}^2$
C
$33.3 \mathrm{~kg}-\mathrm{m}^2$
D
$66.6 \mathrm{~kg}-\mathrm{m}^2$
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