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    A 3 m long car goes past a 4 m long truck at rest on the road. The speed of the car is 7 m/s. The time taken to go past is
    Question

    A 3 m long car goes past a 4 m long truck at rest on the road. The speed of the car is 7 m/s. The time taken to go past is

    A.

    4/7 s

    B.

    1 s

    C.

    7/4 s

    D.

    10/7 s

    Correct option is B

    Given:

    • Length of the car = 3 m
    • Length of the truck = 4 m
    • Speed of the car = 7 m/s
    • Truck is at rest

    Formula Used:
    Time taken to pass = Total distance / Speed
    Total distance = Length of car + Length of truck

    Solution:
    Total distance = 3 + 4 = 7 m
    Speed = 7 m/s
    Time = 7 / 7 = 1 second

    Correct Option: (B) 1 s

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