1
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle is moving in a circle with uniform speed '$$v$$'. In moving from a point to another diametrically opposite point

A
the momentum changes by $$\mathrm{mv}$$
B
the momentum changes by $$2 \mathrm{~mv}$$
C
the kinetic energy changes by $$\frac{1}{2} \mathrm{mv}^2$$
D
the kinetic energy changes by $$\mathrm{m v^2}$$
2
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A body of mass '$$\mathrm{m}$$' attached at the end of a string is just completing the loop in a vertical circle. The apparent weight of the body at the lowest point in its path is ( $$\mathrm{g}$$ = gravitational acceleration)

A
zero
B
$$\mathrm{mg}$$
C
$$3 \mathrm{~mg}$$
D
$$6 \mathrm{~mg}$$
3
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A railway track is banked for a speed ',$$v$$' by elevating outer rail by a height '$$h$$' above the inner rail. The distance between two rails is 'd' then the radius of curvature of track is ( $$\mathrm{g}=$$ gravitational acceleration)

A
$$\frac{\mathrm{v}^2 \mathrm{~d}}{\mathrm{gh}}$$
B
$$\mathrm{\frac{2 v^2}{g d h}}$$
C
$$\mathrm{\frac{g d}{2 v^2 h}}$$
D
$$\mathrm{\frac{v^2}{2 g h d}}$$
4
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two particles having mass '$$M$$' and '$$m$$' are moving in a circular path with radius '$$R$$' and '$$r$$' respectively. The time period for both the particles is same. The ratio of angular velocity of the first particle to the second particle will be

A
1 : 1
B
1 : 2
C
2 : 3
D
3 : 4
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