1
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A mass '$$\mathrm{M}$$' moving with velocity '$$\mathrm{V}$$' along $$\mathrm{X}$$-axis collides and sticks to another mass $$2 \mathrm{M}$$ which is moving along $$\mathrm{Y}$$-axis with velocity '$$3 \mathrm{~V}$$'. The velocity of the combination after collision is

A
$$\frac{V}{3} \hat{i}+2 V \hat{j}$$
B
$$\frac{V}{2} \hat{i}+V \hat{j}$$
C
$$\frac{V}{3} \hat{i}-2 V \hat{j}$$
D
$$\frac{V}{2} \hat{i}-V \hat{j}$$
2
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Consider the following statements $$\mathrm{A}$$ and $$\mathrm{B}$$. Identify the correct choice in the given answers.

A. In an inelastic collision, there is no loss in kinetic energy during collision.

B. During a collision, the linear momentum of the entire system of particles is conserved if there is no external force acting on the system.

A
Both $$\mathrm{A}$$ and $$\mathrm{B}$$ are wrong.
B
Both A and B are correct.
C
$$\mathrm{A}$$ is wrong and $$\mathrm{B}$$ is correct.
D
A is correct and B is wrong.
3
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A body falls on a surface of coefficient of restitution 0.6 from a height of $$1 \mathrm{~m}$$. Then the body rebounds to a height of

A
1 m
B
0.36 m
C
0.4 m
D
0.6 m
4
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Force is applied to a body of mass $$2 \mathrm{~kg}$$ at rest on a frictionless horizontal surface as shown in the force against time $$(F-t)$$ graph. The speed of the body after 1 second is

MHT CET 2021 22th September Evening Shift Physics - Center of Mass and Collision Question 2 English

A
7.5 m/s
B
12.5 m/s
C
10 m/s
D
15 m/s
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