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    Question

    A boy sitting in an open car moving with the constant

    speed throws a ball straight up into the air.
    A The ball falls Correct Answer Incorrect Answer
    B Behind him Correct Answer Incorrect Answer
    C In front of him Correct Answer Incorrect Answer
    D Into his hand Correct Answer Incorrect Answer

    Solution

    The moment ball is thrown, it is moving with the velocity of the car. According to the inertia of motion it will continue to move in the same direction with the same velocity. As the ball is moving up and the down it will maintain its forward motion but practically it is not possible to neglect the resistance caused by air friction. So, the ball will fall behind him.

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