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प्रश्न
Is it possible to have an accelerated motion with a constant speed? Name such type of motion.
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उत्तर
Yes, a uniform circular motion has an accelerated motion with a constant speed.
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संबंधित प्रश्न
A particle starts from the origin at t = 0 s with a velocity of 10.0 `hatj "m/s"` and moves in the x-y plane with a constant acceleration of `(8.0 hati + 2.0 hatj) ms^(-2)`.
- At what time is the x-coordinate of the particle 16 m? What is the y-coordinate of the particle at that time?
- What is the speed of the particle at the time?
Solve the following problem.
A car moves in a circle at a constant speed of 50 m/s and completes one revolution in 40 s. Determine the magnitude of the acceleration of the car.
Is the uniform circular motion accelerated? Give reasons for your answer.
What is meant by uniform circular motion? Give two examples of uniform circular motion.
A particle goes round a circular path with uniform speed v. After describing half the circle, what is the change in its centripetal acceleration?
The ratio of angular speed of a hour-hand to the second-hand of a watch is ____________.
At any instant, the magnitude of the centripetal force on a particle of mass 'm' performing circular motion is given by (ω = angular velocity and v = linear velocity of the particle) ______.
A stone of mass 3 kg attached at one end of a 2m long string is whirled in horizontal circle. The string makes an angle of 45° with the vertical then the centripetal force acting on the string is ______.
(g = 10 m/s2 , tan 45° = 1)
The acceleration of a point on the rim of a flywheel 1 m in diameter, if it makes 1200 rpm is ______.
Explain the meaning of uniform circular motion.
