Volume 1
A particle starts moving from rest at t=0 with a tangential acceleration of constant magnitude of π m/s2 along a circle of radius 6 m. The value of average acceleration, average velocity and average speed during the first 2√3‾a of motion, are respectively
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Nov
A particle starts moving from rest at t=0 with a tangential acceleration of constant magnitude of π m/s2 along a circle of radius 6 m. The value of average acceleration, average velocity and average speed during the first 2√3‾a of motion, are respectively A particle starts moving from rest at t=0 with a tangential acceleration [...]
Two identical balls 1 and 2 are tied to two strings as shown in figure. They are rotated about point O. Ball 1 is observed from ball 2, centrifugal force on ball 1 is F1,ball 2 is observed from ball 1 and centrifugal force on ball 2 is F2, then
26
Nov
Two identical balls 1 and 2 are tied to two strings as shown in figure. They are rotated about point O. Ball 1 is observed from ball 2, centrifugal force on ball 1 is F1,ball 2 is observed from ball 1 and centrifugal force on ball 2 is F2, then ball 2 is observed from [...]
The velocity and acceleration vectors of a particle undergoing circular motion are v=2i^m/s and a=2i^+4j^m/s2 respectively at some instant of time. The radius of the circle is
26
Nov
The velocity and acceleration vectors of a particle undergoing circular motion are v=2i^m/s and a=2i^+4j^m/s2 respectively at some instant of time. The radius of the circle is The velocity and acceleration vectors of a particle undergoing circular motion are v=2i^m/s and a=2i^+4j^m/s2 respectively at some instant of time. The radius of the circle is November [...]
A particle of mass m begins to slide down a fixed smooth sphere from the top. What is its tangential acceleration when it breaks off the sphere?
26
Nov
A particle of mass m begins to slide down a fixed smooth sphere from the top. What is its tangential acceleration when it breaks off the sphere? A particle of mass m begins to slide down a fixed smooth sphere from the top. What is its tangential acceleration when it breaks off the sphere? November [...]
A particle is moving along a circle of radius (20/π)m with constant tangential acceleration. The velocity of the particle is 80m/s at the end of second revolution after motion has begun. The tangential acceleration is
26
Nov
A particle is moving along a circle of radius (20/π)m with constant tangential acceleration. The velocity of the particle is 80m/s at the end of second revolution after motion has begun. The tangential acceleration is The second's hand of a watch has length 6cm. Speed of end point and magnitude of difference of velocities at [...]
A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 ms−1. A plumb bob is suspended from the roof of the car by a light rigid rod. The angle made by the rod with the vertical is (g=10 m per square)
26
Nov
A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 ms−1. A plumb bob is suspended from the roof of the car by a light rigid rod. The angle made by the rod with the vertical is (g=10 m per square) A simple pendulum consisting of [...]
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A simple pendulum consisting of a mass M attached to a string of length L is released from rest at an angle α. A pin is located at a distance l below the pivot point. When the pendulum swings down ,
the string hits the pin as shown in figure. The maximum angle θ which the string makes with the vertical after hitting the pin is: ,
The second’s hand of a watch has length 6cm. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be
26
Nov
The second’s hand of a watch has length 6cm. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be The second's hand of a watch has length 6cm. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be November 26, 2020 Category: Arihant [...]
A ball suspended by a thread swings in a vertical plane so that its acceleration in the extreme position and lowest position are equal. The angle θ of thread deflection in the extreme position will be
26
Nov
A ball suspended by a thread swings in a vertical plane so that its acceleration in the extreme position and lowest position are equal. The angle θ of thread deflection in the extreme position will be A ball suspended by a thread swings in a vertical plane so that its acceleration in the extreme position [...]
A pendulum of mass 1 kg and length ℓ=1 m is released from rest at angle θ=60∘. The power delivered by all the forces acting on the bob at angle θ=30∘ will be(g=10 per meter square)
26
Nov
A pendulum of mass 1 kg and length ℓ=1 m is released from rest at angle θ=60∘. The power delivered by all the forces acting on the bob at angle θ=30∘ will be(g=10 per meter square) A pendulum of mass 1 kg and length ℓ=1 m is released from rest at angle θ=60∘. The power [...]
A particle of mass m attached to a string of length l is descending circular motion on a smooth plane inclined at an angle α with the horizontal. For the particle to reach the highest point its velocity at the lowest point should exceed.
26
Nov
A particle of mass m attached to a string of length l is descending circular motion on a smooth plane inclined at an angle α with the horizontal. For the particle to reach the highest point its velocity at the lowest point should exceed. A particle suspended from a fixed point by a light inextensible [...]