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March 27, 2017

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An open railroad car of mass 2449 kg is coasting with an initial speed of 17 m/s on a frictionless, horizontal track. It is raining, and water begins to accumulate in the car. After some time, it is found that the speed of the car is only 10 m/s. How much water (in kilograms) has accumulated in the car?

  • physics - ,

    2449*17=(2449+massrain)10
    solve for mass of rain.

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