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A vehicle is moving with a uniform speed...

A vehicle is moving with a uniform speed of 18 `"km.h"^(-1)` . The distance covered by it in 1 s is

A

18 m

B

5 m

C

10 m

D

1 m

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A car moves with a uniform velocity of 36 "km.h^(-1) on a straight road Then it attains a uniform acceleration and doubles its velocity in 10s. The radius of a wheel of the car it 25 cm. The number of complete rotations of the wheel in those 10s would be about

    A
    84
    B
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    C
    126
    D
    135

  • A car is moving with a constant speed of 60 km. h^(-1) on a straight road. Looking at the rear view mirror, the driver finds that the car following him is at a distance of 100 m and is approaching with a speed of 5 km. h^(-1) . In order of keep track of the car in the rear the driver begins to glance alternatively at the rear and side mirror of his car after every 2s till the other car overtakes. If the two cars were maintaining their speeds, which of the following statement is correct ?

    A
    the speed of the car in the rear is 65 km . `h^(-1)`
    B
    in the side mirror, the car in the rear would appear to approach with a speed of 5 km. `h^(-1)` to the driver of the leading car
    C
    in the rear view mirror, the speed of the apporaching car would apperar to decrease as the distance between the cars decreases
    D
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  • A ship A is moving westwards with a speed of 10 km*h^(-1) and a ship B , initially 100 km south of A , is moving northwards with a speed of 10 km*h^(-1) . The time after which the distance between them becomes the shortest , is

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    0 h
    B
    5 h
    C
    `5 sqrt(2)`h
    D
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