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Fundamental Quantities

A bus appears...

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A bus appears to go with a speed of 25km/hr to a car driver driving at the rate 7km/hr northwards.if the bus actually travels in east direction its speed is

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Q. A car is moving towards east with a speed of

25 k m h^{- 1}

. To the driver of the car, a bus appears to move towards north with a speed of

25 \sqrt{3} k m h^{- 1}

. What is the actual velocity of the bus?

Q. A bus appears to move northwards at a speed of

20 \sqrt{3} k m h^{- 1}

, to a man driving his car eastwards with speed

20 k m h^{- 1}

. Find the velocity of the bus w.r.t. ground.

Q. A car is moving towards east with a speed of

25 {km h}^{- 1}

. To the driver of the car, a bus appears to move towards north with a speed of

25 \sqrt{3} {km h}^{- 1}

. What is the actual velocity of bus?

Q. 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

A bus is travelling at a speed of 80km/hr and it takes 8hrs to complete the journey.At what speed should it travel to complete the journey in 6hrs?

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