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A car travels half the distance with a c...

A car travels half the distance with a constant velocity of `40 m//s` and the remaining half with a constant velocity of `60 m//s`. The average velocity of the car in `m//s` is

A

40

B

45

C

48

D

50

Text Solution

Verified by Experts

The correct Answer is:
C
Average velocity , `v_(av)=s/(s/80+s/120)=48` kmph
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Knowledge Check

  • A car travels half of the distance with constant velocity 40 km/h and another half with a constant velocity of 60 km/h along a straight line. The average velocity of the car is

    A
    24 km/h
    B
    48 km/h
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    60 km/h
    D
    40 km/h

  • A car travels half the distanace with constant velocity 30 km //h and another half with a constant velocity of 40 km //h along a straight line. The average velocity of car in km//h is.

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    (a) ` 35`
    B
    (b) ` 34 .3`
    C
    (b) `0`
    D
    (d) ` sqrt(30 xx 40 s`.

  • A body covers half the distance with a velocity 10 m/ s and remaining half with a velocity 15 m/s along a straight line. The average velocity will be-

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    12 m/s
    B
    10 m/s
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    5 m/s
    D
    12.5 m/s

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