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Two simple pendulums whose lengths are 100cm and 121cm are suspended side by side. their bobs are pulled together and then released. After how many minimum oscillation of the longer pendulum will the two be in phase again
30
Oct
Two simple pendulums whose lengths are 100cm and 121cm are suspended side by side. their bobs are pulled together and then released. After how many minimum oscillation of the longer pendulum will the two be in phase again Two particles A and B execute simple harmonic motions of periods T and 5T / 4. They [...]
A block of mass m is suspended from the ceiling of an elevator (at rest) through a light spring of spring constant k. Suddenly, the elevator starts falling down with acceleration g. Then
30
Oct
A block of mass m is suspended from the ceiling of an elevator (at rest) through a light spring of spring constant k. Suddenly, the elevator starts falling down with acceleration g. Then A block of mass m is suspended from the ceiling of an elevator (at rest) through a light spring of spring constant [...]
A simple harmonic motion along the x-axis has the following properties: amplitude = 0.5 m, the time to go from one extreme position to other is 2 s and x = 0.3 m at t = 0.5 s. The general
30
Oct
A simple harmonic motion along the x-axis has the following properties: amplitude = 0.5 m, the time to go from one extreme position to other is 2 s and x = 0.3 m at t = 0.5 s. The general A simple harmonic motion along the x-axis has the following properties: amplitude = 0.5 m [...]
The instantaneous displacement x of a particle executing simple harmonic motion is given by x = a1 sin omega t + a2 cos (omega t + pie / 6). The amplitude A of oscillation is given by
30
Oct
The instantaneous displacement x of a particle executing simple harmonic motion is given by x = a1 sin omega t + a2 cos (omega t + pie / 6). The amplitude A of oscillation is given by The instantaneous displacement x of a particle executing simple harmonic motion is given by x = a1 sin [...]
Two particles A and B execute simple harmonic motions of periods T and 5T / 4. They start from mean position. The phase difference between them when the particle A complete one oscillation will be:
30
Oct
Two particles A and B execute simple harmonic motions of periods T and 5T / 4. They start from mean position. The phase difference between them when the particle A complete one oscillation will be: Two particles A and B execute simple harmonic motions of periods T and 5T / 4. They start from mean [...]
A particle executes SHM with time period 8 s. Initially, it is at its mean position. The ratio of distance travelled by it in the 1st second to that in the 2 nd second is
30
Oct
A particle executes SHM with time period 8 s. Initially, it is at its mean position. The ratio of distance travelled by it in the 1st second to that in the 2 nd second is A particle executes SHM with time period 8 s. Initially it is at its mean position. The ratio of distance [...]
Two identical ball bearing in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed V. If the collision is elastic, which of the following (figure above) is a possible result after collision?
30
Oct
Two identical ball bearing in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed V. If the collision is elastic, which of the following (figure above) is a possible result after collision? a motorist follows a track that [...]
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a motorist follows a track that turns to his left by an angle of 60° after every 500 m. Starting from a given turn ,
On an open ground ,
sixth and eighth turn. Compare the magnitude of the displacement with the total path length covered by the motorist in each case. ,
specify the displacement of the motorist at the third ,
Electrons in an oscilloscope are deflected by two mutually perpendicular oscillating electric field such that at any time the displacement due to them are given by x=Acosωt, y=Asin(ωt+π/6). Then the path of the electron is
30
Oct
Electrons in an oscilloscope are deflected by two mutually perpendicular oscillating electric field such that at any time the displacement due to them are given by x=Acosωt, y=Asin(ωt+π/6). Then the path of the electron is Electrons in an oscilloscope are deflected by two mutually perpendicular oscillating electric field such that at any time the displacement [...]
A particle moves with a simple harmonic motion in a straight line, In the second starting from rest it travels a distance a and in the next second it travels a distance b in the same direction.
30
Oct
A particle moves with a simple harmonic motion in a straight line, In the second starting from rest it travels a distance a and in the next second it travels a distance b in the same direction. A particle moves with a simple harmonic motion in a straight line In the second starting from rest [...]
A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m 15 min. If the tank is 40 m above the ground, and the efficiency of the pump is 30%, how much electric power is consumed by the pump? (Take g = 10 ms^−2 ).
30
Oct
A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m 15 min. If the tank is 40 m above the ground, and the efficiency of the pump is 30%, how much electric power is consumed by the pump? (Take g = 10 ms^−2 ). [...]