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    vilhari's Avatar
    vilhari Posts: 1, Reputation: 1
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    #1

    Jun 17, 2012, 07:04 AM
    Answers for Physics Questions Online
    A man of mass 80 kg is standing on a compression balance which is fixed in a lift. Find the reading on the balance, when
    1. the lift is moving upwards in a uniform velocity
    zeelady500's Avatar
    zeelady500 Posts: 3, Reputation: 1
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    #2

    Jul 16, 2012, 10:30 AM
    A train 50m long moving on straight,level tracks passes a pole in 5 seconds.find the speed of the train.what time will it take to cross a bridge 45m long.
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