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The rear view mirror of a car is a plane mirror. A driver is r

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The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear new mirror image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be :

1 m / s

2 m / s

4 m / s

5 m / s

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The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear new mirror image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be :

11 mins ago

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Text solutionVerified

Here (V_{i})_{m} = V_{i} with respect to V_{m} V_{O b} = velocity of observer = 2. V_{m} = velocity of mirror = 20 j = velocity of object = 0

(V_{0 j})_{M} = - (V_{I})_{M}

V_{0 j} - V_{M} = - (V_{I} - V_{M})

V_{I} = 2 V_{M} - V_{0 j}

= 2 (2) - 0

V_{ε} = 4 m / s

(V_{T})_{O b} = V_{I} - V_{O b} = 4 - 2 = 2 m / s

so option

B

is correct.

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Question Text	The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear new mirror image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be :
Answer Type	Text solution:1
Upvotes	150

The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear new mirror image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be :

Text solutionVerified

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