style=”color:rgb(0,0,0);background-color:transparent;”>The position of a particle in space at time t is r left parenthesis t right parenthesis
style=”color:rgb(0,0,0);background-color:transparent;”>The position of a particle in space at time t is r left parenthesis t right parenthesis
r(t) as shown below. Find the particle’s velocity and acceleration vectors. Then find the particle’s speed and direction of motion at tequals
=1
1. Write the particle’s velocity at that time as the product of its speed and direction.
r left parenthesis t right parenthesis
r(t)equals
=left parenthesis 2 ln left parenthesis t plus 1 right parenthesis right parenthesis
(2ln(t+1))iplus
+t squared
t2jplus
+StartFraction t squared Over 2 EndFraction
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