Average Velocity over time intervals
a. [0,3]
b.[0,2]
c.[0,1]
d.[o,h] where h>0 is a real number
Homework Answers
v(t)=s'(t)=-9.8t+30
a) average between 0 and 3 is [v(0)+v(3)]/2
You just now use the formula for v(t) to find what v(3) and v(0) are and add them. Then the number you get divide by 2. This will give you the averagevelocity.
Do the same for the rest of the steps. For instance for b) you would use
[v(0)+v(2)]/2
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t2 = 4.5 s it is at x2 = 18.5 cm. Determine its average velocity
during this time interval.
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? = 1.8−3.6? +1.5?2, where x is in meters and t is in seconds.
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