1
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language
A ball of mass 0.5 kg is dropped from a height of 40 m . The ball hits the ground and rises to a height of 10 m . The impulse imparted to the ball during its collision with the ground is (Take $g=9.8 \mathrm{~m} / \mathrm{s}^2$ )
A
0
B
84 NS
C
21 NS
D
7 NS
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Two bodies $$A$$ and $$B$$ of same mass undergo completely inelastic one dimensional collision. The body $$A$$ moves with velocity $$v_1$$ while body $$B$$ is at rest before collision. The velocity of the system after collision is $$v_2$$. The ratio $$v_1: v_2$$ is

A
$$1: 2$$
B
$$2: 1$$
C
$$4: 1$$
D
$$1: 4$$
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

A bullet of mass $$m$$ hits a block of mass $$M$$ elastically. The transfer of energy is the maximum, when :

A
$$M=m$$
B
$$M=2 m$$
C
$$M < < m$$
D
$$M >> m$$
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Two particles A and B initially at rest, move towards each other under mutual force of attraction. At an instance when the speed of A is v and speed of B is 3v, the speed of centre of mass is :

A
2v
B
zero
C
v
D
4v
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