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Physics 11

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A river has a current of 5 m/s. A boat tries to head directly across at 4 m/s. When the boat reaches the other side it is 30m downstream.

How wide is the river ?

  • Physics 11 -

    After reaching its highest point the blue ninja rocket's chute opens. If the rocket falls at a constant speed of 1.5 m/s. From the height of 300m in a cross wind of 4 m/s.

    Hoe far down wind does the rocket travel from the launch pad?

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