Recent questions tagged description of motion in one dimension

+1 vote

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The velocity of a particle is v = v0 + gt + ft^2 . If its position is x = 0 at t = 0, then its displacement after unit time (t = 1) is

asked Mar 16, 2019 in JEE by kratos

+2 votes

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From a building, two ***** A and B are thrown such that A is thrown upwards and B downwards (both

asked Mar 5, 2019 in JEE by kratos

+2 votes

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If a body losses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest ?

asked Feb 24, 2019 in JEE by kratos

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The relation between time and distance x is t = ax^2 + bx ,where a and b are constants. The acceleration is

asked Feb 24, 2019 in JEE by kratos

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In case of emergency, a vaccum brake is used to stop the train. How does this brake works ?

asked Feb 22, 2019 in JEE by kratos

+1 vote

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moving along the positive xdirection with a velocity v that varies as v = α√x .

asked Feb 6, 2019 in JEE by kratos

+1 vote

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A car starting from rest accelerates at the rate f through a distance *, then continues at constant

asked Feb 5, 2019 in JEE by kratos

+2 votes

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An object, moving with a speed of 6.25 m/*, is decelerated at a rate given by: dv/dt = - 2.5√v

asked Feb 3, 2019 in JEE by kratos

+3 votes

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An automobile travelling with a speed of 60 km/h, can brake to stop within a distance of 20 m.

asked Jan 28, 2019 in JEE by kratos

+2 votes

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A car moving with a speed of 40 km/h can be stopped by applying brakes after 2m, if the same car is moving with a speed of 80 km/h.

asked Jan 28, 2019 in Class 12 by kratos

+3 votes

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The velocity of a particle moving in the positive direction of the x axis varies as v = α√x, where α is a positive constant.

asked Jan 25, 2019 in JEE by kratos

+1 vote

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An automobile travelling with a speed of 60 km/h, can brake to stop within a distance of 20 m. If the

asked Jan 24, 2019 in JEE by kratos

+2 votes

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An object moving with a speed of 6.25ms^–1, is decelerated at a rate given by dυ/dt = −2.5√υ.

asked Jan 17, 2019 in JEE by kratos

+3 votes

1 answer

A car, starting from rest, accelerates at the rate f through a distance *, then continues at constant speed for time t

asked Dec 31, 2018 in JEE by kratos

+1 vote

1 answer

If a body looses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest?

asked Dec 29, 2018 in JEE by kratos

+2 votes

1 answer

A small particle of mass m is projected at an angle q with the x-axis with an initial

asked Dec 21, 2018 in JEE by kratos

+3 votes

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A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at 2m/*^2 .

asked Dec 6, 2018 in JEE by kratos

+3 votes

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A spy jumps from an airplane with his parachute. The spy accelerates downward for some time when the parachute opens.

asked Nov 28, 2018 in JEE by kratos

+1 vote

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A car is moving at a speed of 72 km/hr the radius of its wheel is 0.25m. If the wheels are stopped in 20 rotations

asked Nov 27, 2018 in JEE by kratos

+1 vote

1 answer

A particle of mass m and charge q moves with a constant velocity v along the positive xdirection. It enters

asked Oct 16, 2018 in Class 12 by kratos

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