Questions by varun

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A stone is dropped from the top of a cliff and is found to ravel 44.1m diving the lastsecond before it reaches the ground. What is the height of the cliff? `g =

asked Mar 19, 2022 in 11th Physics

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Under what condition the displacement and the distance of a moving object will have the same

asked Mar 19, 2022 in 11th Physics

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What is the shape of the displacement time graph for uniform linear

asked Mar 19, 2022 in 11th Physics

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Figure shows a displacements time graph. Comment on the sign of velocities at point P, Q, R, S and

asked Mar 19, 2022 in 11th Physics

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Draw displacement time graph for a uniformly accelerated motion? What is its

asked Mar 19, 2022 in 11th Physics

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The displacement x of a particle moving in one dimension under the action of constant force is related to the time by the equation where x is in meters and t is in seconds. Find the velocity of the particle at `(1) t = 3s (2) t =

asked Mar 19, 2022 in 11th Physics

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A balloon is ascending at the rate of 4.9m/s. A pocket is dropped from the balloon when situated at a height of 245m. How long does it take the packet to reach the ground? What is its final

asked Mar 19, 2022 in 11th Physics

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A car moving on a straight highway with speed of 126km/hr. is brought to Two balls of differevelocitystop within a distance of 200m. What is the retardation of the car (assumed uniform) and how long does it take for the car to

asked Mar 19, 2022 in 11th Physics

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Establish `s=ut+1/2at^2` from velocity time graph for a uniform accelerated

asked Mar 19, 2022 in 11th Physics

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(a) Define the term relative velocity?(b) Write the expression for relative velocity of one moving with respect to another body when objects are moving in same direction and are moving in opposite directions?(c) A Jet airplane traveling at the speed of 500km/hr ejects its products of combustion at the speed of 1500km/h relative to the Jet plane. What is the speed of the latter with respect to an observer on the

asked Mar 19, 2022 in 11th Physics

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Define (i) `v = u + at` (ii) `V^2 – u^2 = 2as` by calculus

asked Mar 19, 2022 in 11th Physics

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What is “Trajectory of a

asked Mar 19, 2022 in 11th Physics

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A projectile is fired at an angle of `30^o` with the horizontal with velocity 10m/s. At what angle with the vertical should it be fired to get maximum

asked Mar 19, 2022 in 11th Physics

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What is the value of angular speed for 1

asked Mar 19, 2022 in 11th Physics

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What is the angle between two forces of 2N and 3N having resultant as

asked Mar 19, 2022 in 11th Physics

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What is the angle of projection at which horizontal range and maximum height are

asked Mar 19, 2022 in 11th Physics

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Prove that for elevations which exceed or fall short of `45^o` by equal amounts the ranges are

asked Mar 19, 2022 in 11th Physics

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At what range will a radar set show a fighter plane flying at 3 km above its centre and at distance of 4 km from

asked Mar 19, 2022 in 11th Physics

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Derive expressions for velocity and acceleration for uniform circular motion.OR Derive expression for linear acceleration in uniform circular

asked Mar 19, 2022 in 11th Physics

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Derive an equation for the path of a projectile fired parallel to

asked Mar 19, 2022 in 11th Physics

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