NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions
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A particle moves so that its position vector is given by r = cosωtx^ + sinωty^. Where ω is a constant. Which of the following is true?
28
Aug
A particle moves so that its position vector is given by r = cosωtx^ + sinωty^. Where ω is a constant. Which of the following is true? A particle moves so that its position vector is given by r = cosωtx^ + sinωty^. Where ω is a constant. Which of the following is true? August [...]
he position vector of a particle R as a function of time is given by R = 4 sin (2πt) i^ + 4 cos (2πt) j^ Where R is in meters, t is in seconds and i^ and j^ denote unit vectors along x and y-directions, respectively. Which one of the following statements is wrong for the motion of particle?
28
Aug
he position vector of a particle R as a function of time is given by R = 4 sin (2πt) i^ + 4 cos (2πt) j^ Where R is in meters, t is in seconds and i^ and j^ denote unit vectors along x and y-directions, respectively. Which one of the following statements is wrong [...]
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NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions
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he position vector of a particle R as a function of time is given by R = 4 sin (2πt) i^ + 4 cos (2πt) j^ Where R is in meters ,
respectively. Which one of the following statements is wrong for the motion of particle? ,
t is in seconds and i^ and j^ denote unit vectors along x and y-directions ,
In the given figure, a = 15 m/s^2 represents the total acceleration of a particle moving in the clock wise direction in a circle of radius R = 2.5 m at a given instant of time. The speed of the particle is:
28
Aug
In the given figure, a = 15 m/s^2 represents the total acceleration of a particle moving in the clock wise direction in a circle of radius R = 2.5 m at a given instant of time. The speed of the particle is: a=15 m/s^2 represents the total acceleration of a particle moving in the clockwise [...]
A gramophone record is revolving with angular velocity omega . A coin is placed at a distance r from the centre of the record. The static coefficient of friction is μ . The coin will revolve with the record if
28
Aug
A gramophone record is revolving with angular velocity omega . A coin is placed at a distance r from the centre of the record. The static coefficient of friction is μ . The coin will revolve with the record if A stone tied to the end of a string of 1 m long is whirled [...]
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^ [...]