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

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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 by varun (6.7k points)

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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 by varun (6.7k points)

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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

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

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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 by varun (6.7k points)

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

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What is “Trajectory of a

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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

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What is the value of angular speed for 1

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

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

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

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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

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

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

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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(a) Define time of flight and horizontal range?(b) From a certain height above the ground a stone A is dropped gently. Simultaneously another stone B is fired horizontally. Which of the two stones will arrive on the ground

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Give an example of a body moving with uniform speed but having a variable velocity and an acceleration which remains constant in magnitude but changes in

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What is the direction of centripetal force when particle is following a circular

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Two vectors `vecA` and `vecB` are perpendicular to each other. What is the value of `vecA .vecB`

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