1
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A bob of a simple pendulum of mass 'm' is displaced through 90$$^\circ$$ from mean position and released. When the bob is at lowest position, the tension in the string is

A
4 mg
B
2 mg
C
mg
D
3 mg
2
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Three bodies P, Q and R have masses 'm' kg, '2m' kg and '3m' kg respectively. If all the bodies have equal kinetic energy, then greater momentum will be for body/bodies.

A
Q
B
R
C
P and Q
D
P
3
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A sphere of mass 25 gram is placed on a vertical spring. It is compressed by $$0.2 \mathrm{~m}$$ using a force $$5 \mathrm{~N}$$. When the spring is released, the sphere will reach a height of $$\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2\right)$$ $$2 \mathrm{~m}$$

A
6 cm
B
8 cm
C
10 cm
D
2 m
4
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

A vehicle of mass $$m$$ is moving with momentum $$p$$ on a rough horizontal road. The coefficient of friction between the tyres and the horizontal road is $$\mu$$. The stopping distance is ($$g=$$ acceleration due to gravity)

A
$$\frac{p^2}{2 \mu m^2}$$
B
$$\frac{p^2}{2 \mu g m^2}$$
C
$$\frac{p^2}{\mu g m^2}$$
D
$$\frac{p^2}{2 \mu g}$$
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