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21 July, 05:59

How fast should a 250g mouse run so that it can have the same momentum as a 3ton (1metric ton = 1000kg 1g=0.001kg) can a mouse realistically attain this speed yes or no?

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  1. 21 July, 06:23
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    Momentum = (mass) x (speed)

    You haven't mentioned the speed of the 3-ton mouse.

    Let's say that Jabba the Mouse is running as fast as he can ...

    1 centimeter per day = 1 meter / 8,640,000 seconds.

    Then his momentum is (3,000 kg-m/8,640,000 sec) = 3.472 x 10⁻⁴ kg-m/sec

    For Jerry the normal-size mouse to have the same momentum,

    (0.25 kg) x (speed) = 3.472 x 10⁻⁴ kg-m/sec

    Divide each side by (0.25 kg) : Speed = 3.472 x 10⁻⁴ / 0.25 m/s

    = 1.388 x 10⁻³ m/s

    = 1.388 millimeter per second.

    A normal mouse can definitely attain this speed yes.

    Even faster if he is startled or scared, or pursuing a girl mouse.
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