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January 26, 2015

January 26, 2015

Posted by **Bri** on Friday, October 12, 2012 at 4:14pm.

Please help

2. A bird, starting from rest, accelerates at 3 m/s2 north for 5 seconds. It then sees the rest of its flock and turns due east accelerating from its previous speed to 20 m/s in 2 seconds.

A. What is the velocity of the bird after the initial leg (due north)?

B. How far does it fly during this first leg?

- Physics, science, -
**Steve**, Friday, October 12, 2012 at 4:20pmsurely you know your basic formulas:

s = 1/2 at^2

v = at

2A.

v = 3*5 = 15m/s

2B.

s = 1/2 * 3 * 25 = 37.5m

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