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What will be ratio of speed in first two...

What will be ratio of speed in first two seconds to the speed in next 4 seconds ?

A

`sqrt 2 : 1`

B

`3 : 1`

C

`2 : 1`

D

`1 : 2`

Text Solution

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Knowledge Check

  • What will be ratio of speed in first two seconds to the speed in next 4s

    A
    `sqrt2:1`
    B
    `3:1`
    C
    `2:1`
    D
    `1:2`

  • For the displacement time graph shown in figure -1.100, the ratio of the speeds during the first two seconds and the next four second is :

    A
    `1 : 1`
    B
    `1 : 2`
    C
    `2 : 1`
    D
    `3 : 2`

  • A sphere of mass m moving with a constant velocity hits another stationary sphere of the same mass, if e is the coefficient of restitution, then ratio of speed of the first sphere to the speed of the second sphere after collision will be

    A
    `((1-e)/(1+e))`
    B
    `((1+e)/(1-e))`
    C
    `((e+1)/(e-1))`
    D
    `((e-1)/(e+1))`

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    A train travels at a speed of 40 km/hr and another train at a speed of 20 m/s. What is the ratio of speed of the first train to that of the second train?

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    A body travels a distance x in first two seconds and a distance y in next two seconds. The relation between x and y is

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