1
MHT CET 2023 9th May Morning Shift
+1
-0

A stone is projected vertically upwards with speed '$$v$$'. Another stone of same mass is projected at an angle of $$60^{\circ}$$ with the vertical with the same speed '$$v$$'. The ratio of their potential energies at the highest points of their journey is $$\left[\sin 30^{\circ}=\cos 60^{\circ}=0.5, \cos 30^{\circ}=\sin 60^{\circ}=\frac{\sqrt{3}}{2}\right]$$

A
$$4: 1$$
B
$$2: 1$$
C
$$3: 2$$
D
$$1: 1$$
2
MHT CET 2021 24th September Evening Shift
+1
-0

The kinetic energy of a light body and a heavy body is same. Which one of them has greater momentum?

A
A body having high velocity.
B
Heavy body.
C
Light body.
D
A body having large displacement.
3
MHT CET 2021 24th September Morning Shift
+1
-0

A stone is projected vertically upwards with velocity 'V. Another stone of same mass is projected at an angle fo $$60^{\circ}$$ with the vertical with the same speed $$(\mathrm{V})$$. The ratio of their potential energies at the highest points of their journey, is

$$\left[\sin 30^{\circ}=\cos 60^{\circ}=0.5, \cos 30^{\circ}=\sin 60^{\circ}=\frac{\sqrt{3}}{2}\right]$$

A
$$1: 1$$
B
$$4: 1$$
C
$$3: 2$$
D
$$2: 1$$
4
MHT CET 2021 22th September Morning Shift
+1
-0

A car of mass '$$m$$' moving with velocity '$$u$$' on a straight road in a straight line, doubles its velocity in time t. The power delivered by the engine of a car for doubling the velocity is

A
$$\frac{3 m u^2}{2 t}$$
B
$$\frac{m u^2}{2 t}$$
C
$$\frac{2 \mathrm{mu}^2}{\mathrm{t}}$$
D
$$\frac{3 \mathrm{mu}^2}{\mathrm{t}}$$
EXAM MAP
Medical
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