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Posted by on Sunday, January 29, 2012 at 1:31pm.

How long is a rocket in the air if it is shot at an angle of 55¢ª with an initial velocity of 25 m/s and traveled for 88 m

  • physics - , Sunday, January 29, 2012 at 1:32pm

    horizontal speed is constant
    u = 25 cos 55

    88 = u t = 25 cos 55 * t

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