Home
Class 11
PHYSICS
A bob of mass 1 kg is suspended from an ...

A bob of mass 1 kg is suspended from an inextensible string of length 1 m. When the string makes an angle `60^(@)` with vertical, speed of the bob is 4 m/s
Net acceleration of the bob at this instant is

A

`16 m//s^(2)`

B

`20.4 m//s^(2)`

C

`18.2 m//s^(2)`

D

`10.4 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    DC PANDEY|Exercise Matrix Matching|7 Videos

  • CIRCULAR MOTION

    DC PANDEY|Exercise Integer|7 Videos

  • CIRCULAR MOTION

    DC PANDEY|Exercise More than One Option is Correct|13 Videos

  • CENTRE OF MASS, LINEAR MOMENTUM AND COLLISION

    DC PANDEY|Exercise Level 2 Subjective|21 Videos

  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Only One Option is Correct|27 Videos

Similar Questions

Explore conceptually related problems

A bob of mass 1 kg is suspended from an inextensible string of length 1 m. When the string makes an angle 60^(@) with vertical, speed of the bob is 4 m/s Upto what maximum height will the bob rise with respect to the bottommost point ?

A bob hangs from a rigid support by an inextensible string of length l. It is released from rest when string makes an agngle 60^(@) with vertical . The speed of the bob at the lowest position is

A bob of mass 10m is suspended through an inextensible string of length l . When the bob is at rest in equilibrium position, two particles, each of mass m , strike it as shown in Fig. The particles stick after collision. Choose the correct statement from the following:

A simple pendulum is released from rest at the horizontally stretched position. When the string makes an angle theta with the vertical, the angle theta which the acceleration vector of the bob makes with the string is given by–

The bob of a 0.2 m pendulum describes an arc of circle in a vertical plane. If the tension in the cord is sqrt3 times the weight of the bob when the cord makes an angle 30^(@) with the vertical, the acceleration of the bob in that position is

A bob of mass 2 kg hangs from a string of length 5 m . It swings from its rest position to one of the sides so that the string makes an angle of 60^(@) with the vertical Calculate the gain in potential energy of the bob .

A bob of mass m=50g is suspended form the ceiling of a trolley by a light inextensible string. If the trolley accelerates horizontally, the string makes an angle thata=37^(@) with the vertical. Find the acceleration of the trolley.

A wooden bob of mass 1 kg is suspended from a string of length 1 m . It is struck by a bullet of mass 0.02 kg , moving with a speed of 300 m/s , such that the bullet gets embedded inside it . Calculate the maximum height up to which the bob will rise after the impact .