Home
Class 11
PHYSICS
A point moves along a circle with veloci...

A point moves along a circle with velocity v = at where a 0.5 m/sec2. Then the total acceleration of the point at the moment when it covered (1/10) th of the circle after beginning of motion -

A

`0.5 m//sec^(2)`

B

`0.6m//sec^(2)`

C

`0.7m//sec^(2)`

D

`0.8m//sec^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SHM-WAVE,GRAVITATION,FLUID,HEAT

    MOTION|Exercise EXERCISE|109 Videos

Similar Questions

Explore conceptually related problems

A point moves along a circle with a speed v=kt , where K=0.5m//s^(2) Find the total acceleration of the point the momenet when it has covered the n^(th) Fraction of the circle after the beginging of motion, where n=(1)/(10) .

A point moves along a circle with a velocity v=t//2 . Find the acceleration of the point at the moment when it has covered a quarter circle from the beginning of motion.

Knowledge Check

  • A point moves along a circle with speed v=at. The total acceleration of the point at a time when it has traced 1//8th of the circumference is:

    A
    `(v)/(8a)`
    B
    `2asqrt(4+pi^(2))`
    C
    a
    D
    `(a)/(2)sqrt(4+pi^(2))`
  • A particle 'A' moves along a circle with a velocity v=at , where a=0.50m//s^(2) . Another particle B moves along a diameter OO' of the circle with the velocity v=at . Both the particles start simultaneously at t=0 from the point O on the circle. For these particles, (the radius of circle =1m ).

    A
    The velocity of `B` relative to `A` at the instant when `A` is at the point `O'` is zero.
    B
    The velocity of `B` relative to `A` when `A` is at `P` for the first time is zero.
    C
    The velocity vector of `A` with respect to `B` has zero component along the vector direction `OO'` at all times.
    D
    The distances moved by `A` and `B` in their respective paths are the same at all times.
  • A particle of mass 10 g moves along a circle em with a constant tangential acceleration: magnitude of this acceleration if the kinetic particle becomes equal to 8 xx 10^(-4) J by the revolution after the beginning of the motion

    A
    0.1 m/`s^2`
    B
    0.15 m/`s^2`
    C
    0.18 m/`s^2`
    D
    0.2 m/`s^2`
  • Similar Questions

    Explore conceptually related problems

    A particle is moving on a circular path with speed given by v= alphat , where alpha is a constant. Find the acceleration of the particle at th instant when it has covered the n^("th") fraction of the . Circle.

    A point size body is moving along a circle at an angular velocity 2.8rads^(-1) .If centripetal acceleration of body is 7ms^(-2) then its speed is

    A wheel rotates around a stationary axis so that the rotation angle theta varies with time as theta=at^(2) where a=0.2rad//s^(2) . Find the magnitude of net acceleration of the point A at the rim at the moment t=2.5s if the linear velocity of the point A at this moment is v=0.65m//s .

    A horse runs along a circle with a speed of 20km/h .A lantern is at the centre of the circle.A fence is along the tangent to the circle at the point at which the horse starts. Find the speed with which the shadow of the horse moves along the fence at the moment when it covers 1/8of the circle in km/h .

    A particle moves in a circle of radius 2 m at a second what is its resultant (total ) acceleration at time t= 1 s ?