AP calc- particle in motion

nicole388

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Feb 16, 2012
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A particle moves along a line so that its position at any time t> or equal to 0 is given by the function:
s(t)=t^(2)-3t+2
where s is measured in meters and t is measured in seconds

A.) find the displacement during the first 5 seconds.
B.) find the average veolcity during the first 5 seconds
C.) find the instantaneous velocity when t=4
D.) find the acceleration of the particle when t=4
E.) At what values of t does the particle change direction?
F.) Where is the particle when s is a minimum?


Answering any of these would be so helpful, especially A! :) thanks!!
 
A particle moves along a line so that its position at any time t> or equal to 0 is given by the function:
s(t)=t^(2)-3t+2
where s is measured in meters and t is measured in seconds

A.) find the displacement during the first 5 seconds.

Calculate s(5) = ? & s(0) = ?

B.) find the average veolcity during the first 5 seconds
C.) find the instantaneous velocity when t=4
D.) find the acceleration of the particle when t=4
E.) At what values of t does the particle change direction?
F.) Where is the particle when s is a minimum?


Answering any of these would be so helpful, especially A! :) thanks!!

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