Question

An object moves with 5 m/s towards right while mirror moves with 1 m/s towards the left as shown. Find velocity of image.

Answer 1

The velocity of the image is 7 m/s.

Explanation:

Given data:

Velocity of object = 5 m/s

Velocity of mirror = 1 m/s

Solution:

• Following formula can be used to determine the velocity of image.

V = [ 2 ( Velocity of mirror ) + velocity of object]

V = [ 2 x 1 + 5

V = 2 + 5 = 7 m/s

Thus the velocity of the image is 7 m/s.

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An object is placed 0.03 m from a concave mirror whose focal length is 0.12 m where the image is formed and what's the nature ?

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Answer 2

Answer:

THE ANSWER IS -7ms-1

Explanation:

vi - vm = vm - v0

vi - (-1) = (-1) - 5

--vi = -7 ms-1

-- The velocity to image is 7 ms-1 and direction

is toward left.