A bus driver is reversing his bus at a speed $8 m s^{- 1}$ . The rear view mirror of a bus is a plane mirror. The driver sees in his rear view mirror the image of a car parked behind his bus. The speed at which the image of the car appears to approach the driver will be

2 m s^{- 1}

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4 m s^{- 1}

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8 m s^{- 1}

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16 m s^{- 1}

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Solution

The correct option is D $16 m s^{- 1}$
The speed at which the image of the car appears to approach the driver will be $(2 \times 8) m s^{- 1} = 16 m s^{- 1}$ because rear view mirror is a plane mirror.

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Question 13
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 view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be
(i) 1 m/s
(ii) 2 m/s
(iii) 4 m/s
(iv) 8 m/s

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 view mirror the image of truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be

(i) 1 m/s

(ii) 2 m/s

(iii) 4 m/s

(iv) 8 m/s

Q. 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 view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be ________________.

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 view mirror the image of truck parked behind his car. This speed at which the image of the truck appears to approach the driver will be? If the truck is 20m behind the car, after how long will the car crash into the truck? [5 MARKS]

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A bus driver is reversing his bus at a speed 8ms−1. The rear view mirror of a bus is a plane mirror. The driver sees in his rear view mirror the image of a car parked behind his bus. The speed at which the image of the car appears to approach the driver will be

The correct option is D 16ms−1The speed at which the image of the car appears to approach the driver will be (2×8)ms−1=16ms−1 because rear view mirror is a plane mirror.

A bus driver is reversing his bus at a speed $8 m s^{- 1}$ . The rear view mirror of a bus is a plane mirror. The driver sees in his rear view mirror the image of a car parked behind his bus. The speed at which the image of the car appears to approach the driver will be

The correct option is D $16 m s^{- 1}$
The speed at which the image of the car appears to approach the driver will be $(2 \times 8) m s^{- 1} = 16 m s^{- 1}$ because rear view mirror is a plane mirror.