1
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
$$M >> m$$
2
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
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

A $$1 \mathrm{~kg}$$ object strikes a wall with velocity $$1 \mathrm{~m} \mathrm{~s}^{-1}$$ at an angle of $$60^{\circ}$$ with the wall and reflects at the same angle. If it remains in contact with wall for $$0.1 \mathrm{~s}$$, then the force exerted on the wall is :

A
$$30 \sqrt{3} \mathrm{~N}$$
B
Zero
C
$$10 \sqrt{3} \mathrm{~N}$$
D
$$20 \sqrt{3} \mathrm{~N}$$
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The distance covered by a body of mass 5 g having linear momentum 0.3 kg m/s in 5 s is :

A
0.3 m
B
300 m
C
30 m
D
3 m
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