Home
Class 12
PHYSICS
In the given figure , if the velocity of...

In the given figure , if the velocity of the block C at a particular instant is `-20 m s^(-1)hatJ` , then the velocity of the rod (A) that instant will be : (string is attached to wedge )

A

`15 ms^(-1)hatj`

B

`-15 ms^(-1)hatj`

C

`20 ms^(-1)hatj`

D

`-20 ms^(-1)hatj`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

The velocity of a particle at an instant is 10 m s^(-1) . After 3 s its velocity will becomes 16 m s^(-1) . The velocity at 2 s, before the given instant will be

In the arrangement shown, velocity of block A is 10 m/s at a moment. Then the velocity of block B at this instant is :

The velocity of point A on the rod is 2ms^(-1) (leftwards) at the instant shown in fig. The velocity of the point B on the rod at this instant is

Velocity of a particle at some instant is v=(3hat i + 4hat j + 5hat k) m//s . Find speed of the particle at this instant.

If block A is moving horizontally with velocity v_(A) , then find the velocity of block B at the instant as shown in fig.

A ladder placed on a smooth floor slips. If at a given instant the velocity with which the ladder is slipping on the floor is v_1 , and the velocity of that part of ladder which is touching the wall is v_1 , then the velocity of the centre of the ladder at that instant is:

The dispacement of a body is given by 4s=M +2Nt^(4) , where M and N are constants. The velocity of the body at any instant is .

Asserion : The acceleration of an object at a particular time is the slope of the velocity-time graph at that instant of time. Reason : For uniform motion acceleration is zero.

In the given arrangement, the rod is free to rotate about the hinge and it is in constant contact with the equilateral triangular block of base length (2a)/(sqrt3) . If the block is moving horizontally with a speed upsilon = 20 ms^(-1) , then find the magnitude of the angular velocity of the rod (in rad. s^(-1) )at the instant when theta = 30^(@) . [Given that a = 1m]

A sphere of redius R is ibn contact with a wedge. The point of contact is ( R)/(5) from the ground as shown in figure.Wedge is moving with velocity 20 m s^(-1) towards left then the velocity of the sphere at this instant will be