Friday

January 30, 2015

January 30, 2015

Posted by **Autumn** on Monday, October 25, 2010 at 4:35pm.

A ball is thrown horizontally from the top of a building 28.6 m high. The ball strikes the ground at a point 80.3 m from the base of the building.

The acceleration of gravity is 9.8 m/s^2. Find the time the ball is in motion. Answer in units of s.

Part 2:

Find the initial velocity of the ball. Answer in units of m/s.

Part 3:

Find the x componet of its velocity just before it strikes the ground. Answer in units of m/s.

Part 4:

Find the y componet of its velocity just before it strikes the ground. Answer in units of m/s.

- physics. -
**Anne**, Friday, January 9, 2015 at 7:40pmSound with a frequency of 261.6Hz travels through water at a speed of 1435m/s.

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