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Popular Questions
- The density of a solid ball is to be determined in an experiment. The diameter of the ball is measured with a screw gauge, whose p..
- Two stones of masses m and 2m are whirled in horizontal circles
- A car moves from X to Y with a uniform speed Vu and returns to X with a uniform speed Vd. The average speed for this round trip is
- A body is tided with a string and is given a circular motion with velocity
- A body of mass m moves in a circular path with uniform angular velocity
- A particle is moving with constant acceleration from A and B in a straight line AB. If u and v are the velocities at A and B respe..
- A stone tied to the end of a string 1m long is whirled in
- A mass is supported on a frictionless horizontal surface
- A bullet moving with a velocity of 200 cm/s penetrates a wooden block and comes o rest after traversing 4 cm inside it. What veloc..
- A body of mass m is moving in a circle of radius r with a constant speed
- A 150 m long train is moving with a uniform velocity of 45 km/hr. The time taken by the train to cross a bridge of length 850 m is
- A police jeep is chasing with velocity of 45 km/h. Police fires a bullet with muzzle velocity of 180 m/s.
- A circular insulated copper wire loop is twisted to form two loops of area A and 2A as shown in the figure.
- One end of a string of length L is connected to a particle of mass m
- The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the vib..
- An object moves at a constant speed along a circular path in a horizontal XY plane
- If the length of the seconds hand in a stop clock is 3cm
- The position vector of a particle
- A car runs at a constant speed on a circular track of radius 100m
- Two balls are dropped to the ground from different heights. One ball is dropped 2 s after the other but they both strike the groun..
- A car moves from X to Y with a uniform speed Vu and returns to Y with a uniform speed Vd. The average speed for this round trip is
- A particle is moving in a circle of radius R with constant speed v
- A body of mass m thrown horizontally woth velocity v from the top of tower of height h, touches the level ground at distance of 25..
- A body is moving in a circular path with acceleration
- A bullet fired into a fixed wooden block losses half of its velocity after penetrating 40 cm. It comes to rest after penetrating a..
- A bullet when first into a target loses half of its velocity after penetrating 20 cm. Further distance of penetration before it co..
- A cricket ball thrown across a field is at heights h1 and h2 from the point of projection at times t1 and t2 respectively after th..
- A ball A is thrown up vertically with a speed u and at the same instant another ball B is released from a height h. At time t, the..
- Two bodies of mass 10kg and 5kg moving in concentric orbit
- Two particles of equal masses are revolving in circular paths
- The difference between angular speed of minute hand and second hand of a clock is
- An electric fan has blades of length 30 cm as measured from the axis of rotation. If the fan is rotating at 1200 rpm, the accelera..
- A vernier calipers has 1 mm marks on the main scale. It has 20 equal divisions on the vernier scale which match with 16 main scale..
- In 1.0 s, a particle goes from point A to point B, moving in a semicircle of radius 1.0 m (see figure). The magnitude of the aver..
- A particle describes a horizontal circle in a conical funnel
- A car sometimes overturns while taking a turn
- Two racing cars of masses m1 and m2 are moving in circles of radii r1 and r2 respectively
- A particle of mass 0.2 kg is moving in one dimension under a force that delivers a constant power 0.5 W to the particle. If the in..
- A photoelectric material having work-function phi0 is illuminated with the wavelength.
- What is the angular velocity of earth
