1
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A bowling machine placed at a height $h$ above the earth surface releases different balls with different angles but with same velocity $10 \sqrt{3} \mathrm{~ms}^{-1}$. All these balls landing velocities make angels $30^{\circ}$ or more with horizontal. Then the height $h$ (in metre) (acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )
A
15
B
12
C
10
D
5
2
AP EAPCET 2024 - 23th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A balloon carrying some sand of mass $M$ is moving down with a constant acceleration $a_0$. The mass $m$ of sand to be removed, so that the balloon moves up with double the acceleration $a_0$ is
A
$m=\frac{2 M a_0}{a_0+g}$
B
$m=\frac{2 M a_0}{a_0-g}$
C
$m=\frac{3 M a_0}{g+2 a_0}$
D
$m=\frac{3 M a_0}{g-2 a_0}$
3
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
4
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

$2 \mu \mathrm{Mgv}$

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