February 27, 2017

Homework Help: physics

Posted by Physics Student need help on Thursday, November 12, 2009 at 9:13pm.

10. A cannon elevated at an angle of 35º to the
horizontal fires a cannonball, which travels the path
shown in the diagram below. [Neglect air resistance and
assume the ball lands at the same height above the
ground from which it was launched.]
If the ball lands 7.0 × 10² meters from the cannon 10.
seconds after it was fired, what is the horizontal
component of its initial velocity?
(A) 7.0 m/s (B) 35 m/s (C) 49 m/s (D) 70. m/s

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