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PHYSICS

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A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 175 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle?

  • PHYSICS -

    How long does it take to fall 40 m?

    h=1/2 g t^2
    solve for t.

    then, velocity= 175/time

  • PHYSICS -

    is g 9.8 or -9.8?

  • PHYSICS -

    -9.8

  • PHYSICS -

    Actually g is 9.8 if it were to be acceleration then it would be -9.8

  • PHYSICS -

    9.80

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