Home
Class 11
PHYSICS
A mass of 0.1kg is rotated in a verticla...

A mass of 0.1kg is rotated in a verticla circle using a string of length 1m. When the string makes an angle `30^(@)` with the vertical, the speed of the mass is `2 ms^(-1)`. The radial acceleration of the mass at that instant is

A

`4ms^(-2)`

B

`0.1ms^(-2)`

C

`0.4ms^(-2)`

D

`4ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (ELASTIC COLLISIONS)|8 Videos

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EREXCISE (INELASTIC COLLISIONS)|4 Videos

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (POWER)|9 Videos

  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

Similar Questions

Explore conceptually related problems

A mass of 0.1 kg is rotated in a vertical circle using a string of legth 20 cm. When the string makes an angle 30^(@) with the vertical, the speed of the mass is 1.5ms^(-1) . The tangential acceleration of the mass at that instant is

A body of weight 10 N attached to one end of a string of length 1m is rotated in a vertical plane. At the instant when the string makes an angle of 60^(@) with the downward vertical the speed of the bob is sqrt(9.8) ms^(-1) . The tension in the string at that instant is equal to

A 5 kg is rotated in a vertical circle with a constant speed of 4ms^(-1) using a sting of length 1m, when the tension in the string is 31N, then the body will be