Q JEE MAIN 2026

A river of width 200 m is flowing from west to east with a speed of . A boat, moving...

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Q JEE MAIN 2026

A 4 kg mass moves under the influence of a force $\vec{F}=\left(4 t^3 \hat{i}-3 t \hat{j}\right) \mathrm{N}$ where $t$ is...

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Q JEE MAIN 2020

Train $A$ and train $B$ are running on parallel tracks in the opposite directions with speeds of $...

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Q JEE MAIN 2020

When a car is at rest, its driver sees rain drops falling on it vertically. When driving the car with...

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Q JEE MAIN 2020

A particle is moving along the $x$-axis with its coordinate with time ' $t$ ' given by $x(t)=10+8 t-3 t^2$....

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Q JEE MAIN 2019

A particle moves from the point $(2.0 \mathrm{i}+4.0 \mathrm{j}) \mathrm{m}$, at $\mathrm{t}=0$, with an initial velocity $(5.0 \mathrm{i}+4.0 \mathrm{j}) \mathrm{ms}^{-1}$....

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Q JEE MAIN 2019

A particle starts from the origin at time t = 0 and moves along the positive x-axis. The graph of...

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Q JEE-MAIN 2021

A uniform heating wire of resistance 36 Ω is connected across a potential difference of 240 V. The wire is...

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Q JEE MAIN 2021

A boy reaches the airport and finds that the escalator is not working. He walks up the stationary escalator in...

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Q JEE MAIN 2021

A swimmer can swim with velocity of 12 km/h in still water. Water flowing in a river has velocity 6...

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Q JEE MAIN 2022

A girl standing on road holds her umbrella at $45^{\circ}$ with the vertical to keep the rain away. If she...

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Q JEE MAIN 2023

A passenger sitting in a train A moving at 90 km/h observes another train B moving in the opposite direction...

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Q JEE MAIN 2023

A person travels $x$ distance with velocity $v_1$ and then $x$ distance with velocity $v_2$ in the same direction ....

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Q JEE MAIN 2023

Two trains ‘A’ and ‘B’ of length ‘l’ and ‘4l’ are travelling into a tunnel of length ‘L’ in parallel...

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Q JEE MAIN 2023

The speed of a swimmer is $4 \mathrm{~km} \mathrm{~h}^{-1}$ in still water. If the swimmer makes his strokes normal to...

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Q JEE MAIN_2023_

An object moves with speed $v_1, v_2$ and $v_3$ along a line segment $\mathrm{AB}, \mathrm{BC}$ and CD respectively as shown...

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Q JEE MAIN 2025

Two cars $P$ and $Q$ are moving on a road in the same direction. Acceleration of car $P$ increases linearly...

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Q JEE MAIN 2025

The position vector of a moving body at any instant of time is given as $...

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Q JEE MAIN 2025

A river is flowing from west to east direction with speed of $9km{h^{-1}}$ . If a boat capable of moving...

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Q JEE MAIN 2025

The maximum speed of a boat in still water is 27km/h. Now this boat is moving downstream in a river...

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