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Give the magnitude and direction of the ...

Give the magnitude and direction of the net force acting on a stone of mass 0.1 kg,
(a) just after it is dropped from the window of a stationary train,(b) just after it is dropped from the window of a train running at a constant velocity of 36 km/h,just after it is dropped from the window of a train accelerating with 1 ms^2,just after it is dropped from the window of a train accelerating with 1M/S2

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Knowledge Check

  • Two equal drops of water are falling through air with a steady velocity of 10 cm/s. If the two drops recombine to a single drop, what will be the terminal velocity

    A
    20cm/s
    B
    5.9 cm/s
    C
    10 cm/s
    D
    15.9 cm/s

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