Homework Help: 12th grade Physics

Posted by Kimberly on Tuesday, October 7, 2008 at 6:58pm.

A bird accelerates from 5 m/s,north to 25 m/s,north in 4s. A) What is the bird's acceleration vector? B) How far and in what direction does the bird travel in this interval? C) What is the bird's average velocity?

12th grade Physics - bobpursley, Tuesday, October 7, 2008 at 7:00pm
I will be happy to critique your thinking on this.

acceleartion=(finalveloicty-initialvelocity)/time
keep directon in those velocities.

average velocity=(finalvelocity+initialvelocity)/2

distance=average velocity * time.
12th grade Physics - ash, Saturday, November 1, 2008 at 9:58pm
a car travels in a straight line for 3 h at a constant speed of 53 km/h. what is the acceraleration? answer in units of m/s2.

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