Physics · JEE

Important Questions: Uniformly accelerated motion, velocity-time, position-time graph, relations for uniformly accelerated motion, relative velocity for JEE

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Part of Kinematics in JEE Main Physics.

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Q1PhysicsUnit 2: Kinematics

Assertion The

V \rightarrow t

graph perpendicular to time axis is not possible in practice. Reason Infinite acceleration can not be realized in practice.

Q2PhysicsUnit 2: Kinematics

An object travels 10 s with uniform acceleration along a straight line path. During this period if the velocity of the object is increased from

5 m s^{-1}

25 s^{-1},

then find the distance travelled by the body?

Q3PhysicsUnit 2: Kinematics

A body thrown vertically up reaches a maximum height of 50 m. Another body with double the mass is thrown up with double the initial velocity will reach a maximum height of :

Q4PhysicsUnit 2: Kinematics

A particle is thrown vertically upwards. Its velocity at half of the height is

\mathbf{1 0} \boldsymbol{m} / \boldsymbol{s},

then the maximum height attained by it will be:

\left(g=10 m / s^{2}\right)

Q5PhysicsUnit 2: Kinematics

Two trains

A

and

B

each of length 400 m are moving on two parallel tracks with a uniform speed

72 \mathrm{km} h^{-1}

in the same direction with

A

ahead of

B

. The driver of B decides to overtake

A

and accelerates by

1 \mathrm{m} s^{-2}

. If after 50 s, the guard of

B

just brushes past

A,

what was the original distance between them?

Q6PhysicsUnit 2: Kinematics

An iron ball and a wooden ball of the same radius are released from a height

\mathrm{H}

in vacuum. The times taken by both of them to reach the ground are

Q7PhysicsUnit 2: Kinematics

When an object moves with a constant acceleration, under the influence of force of gravitation of the earth only, the object is said to have:

Q8PhysicsUnit 2: Kinematics

A man standing on the edge of a cliff throws a stone straight up with initia speed

u

and then throws another stone straight down with same initial speed

u

from the same position. Find the ratio of speeds, the stones would have attained when they hit the ground at the base of the cliff?

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What makes a Uniformly accelerated motion, velocity-time, position-time graph, relations for uniformly accelerated motion, relative velocity question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

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Key areas include Uniformly accelerated motion, velocity-time, position-time graph, relations for uniformly accelerated motion, relative velocity. Prioritise these before moving to edge cases.

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