The moment of inertia of a body about a ...

The moment of inertia of a body about a given axis is `3.6" kg m"^(2)`. Initially, the body is at rest. In order to produce a rotational K.E. of 800 J, an acceleration of 15 rad s must be applied about that axis for

0.7s

1.4s

2.1s

2.8s

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

QUESTION PAPER 2019
TARGET PUBLICATION|Exercise MCQ|45 Videos
SEMICONDUCTORS
TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

Similar Questions

Explore conceptually related problems

The moment of inertia of a body about a given axis is 1.2 kg m^(2) . Initially, the body is at rest. In order to produce a rotational KE of 1500 J , for how much duration, an acceleration of 25 rad s^(-2) must be applied about that axis ?

The moment of inertia of a body about a given axis is 1.2 kg m^(2) . Initially, the body is at rest. In order to produce a rotational KE of 1500 j , for how much duration, an acceleration of 25 rad s^(-2) must be applied about that axis ?

Moment of inertia of a body about a given axis is 1.5 kg m^(2) . Initially the body is at rest. In order to produce a rotational kinetic energy of 1200 J, the angular acceleration of 20 rad//s^(2) must be applied about the axis for a duration of _________ (in sec).

The moment of inertia of the body about an axis is 1.2 kg m^(2) . Initially the body is at rest. In order to produce a rotational kinetic energy of 1500J, an angualr acceleration of 25 rad/s^(2) must be applied about the axis for the duration of

The moment of inertia of a body about a given axis of rotation depends upon :-

The moment of inertia of a body is 2.5 kg m^(2) . Calculate the torque required to produce an angular acceleration of 18 rad s^(-2) in the body.

Moment of inertia of a body about an axis is 4kg-m^2 . The body is initially at rest and a torque of 8Nm starts acting on it along the same axis. Workdone by the torque in 20s , in joules is

TARGET PUBLICATION-ROTATIONAL MOTION -MCQ

A uniform stick of length l and mass m lies on a smooth table. It rota...
Text Solution
|
The moment of inertia of a uniform circular disc of mass M and radius ...
Text Solution
|
The moment of inertia of a body about a given axis is 3.6" kg m"^(2). ...
Text Solution
|
Three bodies, a ring, a soild cylinder and a soild sphere roll down th...
Text Solution
|
Assertion: A disc rolls without slipping on a horizontal surface and t...
Text Solution
|
The diameter of a flywheel is increased by 1% keeping the mass same. I...
Text Solution
|
Moment of inertia of the earth about an axis passing through its centr...
Text Solution
|
A rigid body is made of three identical thin rods, each of length L fa...
Text Solution
|
Of the two eggs which have identical sizes, shapes and weights, one is...
Text Solution
|
The moment of inertia of a thin uniform ring of mass I kg about an axi...
Text Solution
|
The moment of inertia of the body about an axis is 1.2 kg m^(2). Initi...
Text Solution
|
The angular velocity of a body rotating about a given axis is doubled....
Text Solution
|
A uniform thin rod of length l is suspended from one of its ends and i...
Text Solution
|
A particle of mass m is describing a circular path of radius r with un...
Text Solution
|
A flywheel of mass 10 kg and radius 10 cm is revolving at a speed of 2...
Text Solution
|
The angular speed of a body changes from omega1 to omega2 without app...
Text Solution
|
Radius of gyration of a uniform solid sphere about its diamter is
Text Solution
|
Find the radius of gyration of a rod of mass 100 g and length 100 cm a...
Text Solution
|
Four particles each of mass (M) are held rigidly by a very light circu...
Text Solution
|
Torque acting on a rotating body
Text Solution
|