1
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The upper $\left(\frac{1}{n}\right)$ th of an inclined plane is smooth and the remaining lower part is rough with coefficient of friction $\mu_k$. If a body starting from rest at the top of the inclined plane will again come to rest at the bottom of the plane, then the angle of inclination of the inclined plane is
A
$\sin ^{-1}\left[\left(\frac{n}{n-1}\right) \mu_k\right]$
B
$\sin ^{-1}\left[\left(\frac{n-1}{n}\right) \mu_k\right]$
C
$\tan ^{-1}\left[\left(\frac{n}{n-1}\right) \mu_k\right]$
D
$\tan ^{-1}\left[\frac{(n-1) \mu_k}{n}\right]$
2
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A spring of spring constant $200 \mathrm{~N}-\mathrm{m}^{-1}$ is initially stretched by 10 cm from the unstretched position. The work to be done to stretch the spring further by another 10 cm is
A
3 J
B
6 J
C
9 J
D
12 J
3
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A $4 \mathrm{~kg}$ mass is suspended as shown in figure. All pulleys are frictionless and spring constant $k$ is $8 \times 10^3 \mathrm{Nm}^{-1}$. The extension in spring is $\left(g=10 \mathrm{~ms}^{-2}\right)$

AP EAPCET 2024 - 20th May Morning Shift Physics - Work, Energy and Power Question 3 English
A
2 mm
B
2 cm
C
4 cm
D
4 mm
4
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Two bodies $A$ and $B$ of masses $2 m$ and $m$ are projected vertically upwards from the ground with velocities $u$ and $2 u$ respectively. The ratio of the kinetic energy of body $A$ and the potential energy of body $B$ at height equal to half of the maximum height reached by body $A$ is
A
$8: 1$
B
$1: 1$
C
$4: 1$
D
$2: 1$
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