Chapter 10 – Circular Motion
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A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what would be the magnitude and direction of acceleration of the stone?
28
Aug
A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what would be the magnitude and direction of acceleration of the stone? A stone tied to the end of a string of 1 [...]
Two particles A and B are moving in uniform circular motion in concentric circles of radii rA and rB with speed VA and VB respectively. Their time period of rotation is the same. The ratio of angular speed of A to that of B will be :
28
Aug
Two particles A and B are moving in uniform circular motion in concentric circles of radii rA and rB with speed VA and VB respectively. Their time period of rotation is the same. The ratio of angular speed of A to that of B will be : Two bodies of masres 1kg and 3kg have [...]
Two stones of masses m and 2 m are whirled in horizontal circles, the heavier one in a radius, r/2, and the lighter one in radius, r. The tangential speed of lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is:
28
Aug
Two stones of masses m and 2 m are whirled in horizontal circles, the heavier one in a radius, r/2, and the lighter one in radius, r. The tangential speed of lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is: and [...]
One end of a string of length l is connected to a particle of mass m and the other to a small peg on a smooth horizontal table. If the particle moves in a circle with speed v the net force on the particle ( directed towards the centre ) will be(T represents the tension in the strings)
28
Aug
One end of a string of length l is connected to a particle of mass m and the other to a small peg on a smooth horizontal table. If the particle moves in a circle with speed v the net force on the particle ( directed towards the centre ) will be(T represents the tension [...]
A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the banking angle is 45, the speed of the car is
28
Aug
A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the banking angle is 45, the speed of the car is A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the banking angle is 45 the [...]
A car is negotiating a cruved road of radius R. The raod is banked at an angle tetha. The coefficient of friction between the tyres of the car and the road is Us . the maximum safe velocity on this road is
28
Aug
A car is negotiating a cruved road of radius R. The raod is banked at an angle tetha. The coefficient of friction between the tyres of the car and the road is Us . the maximum safe velocity on this road is Two bodies of masres 1kg and 3kg have position vectors i^+2j^ + k^ [...]
When milk is churned, cream gets separated due to
24
Aug
When milk is churned, cream gets separated due to cream gets separated due to When milk is churned August 24, 2020 Category: Chapter 10 - Circular Motion , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A stone tied to a string of length l is whirled in a vertical circle with the other end of the string at the centre. At a certain instant of time, the stone is at its lowest position and has a speed u. The magnitude of the change in velocity as it reaches a position, where the string is horizontal, is
24
Aug
A stone tied to a string of length l is whirled in a vertical circle with the other end of the string at the centre. At a certain instant of time, the stone is at its lowest position and has a speed u. The magnitude of the change in velocity as it reaches a position, [...]
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A stone tied to a string of length l is whirled in a vertical circle with the other end of the string at the centre. At a certain instant of time ,
is ,
the stone is at its lowest position and has a speed u. The magnitude of the change in velocity as it reaches a position ,
where the string is horizontal ,
A stone is attached to one end of a string and rotated in a vertical circle. If string breaks at the position of maximum tension, it will break at
24
Aug
A stone is attached to one end of a string and rotated in a vertical circle. If string breaks at the position of maximum tension, it will break at A stone is attached to one end of a string and rotated in a vertical circle. If string breaks at the position of maximum tension it [...]
A metal ball of mass 2 kg moving with a velocity of 36 km/h has a head on collision with a stationary ball of mass 3 kg. If after the collision, the two balls move together, the loss in kinetic energy due to collision is
24
Aug
A metal ball of mass 2 kg moving with a velocity of 36 km/h has a head on collision with a stationary ball of mass 3 kg. If after the collision, the two balls move together, the loss in kinetic energy due to collision is A metal ball of mass 2 kg moving with a [...]