m/s 2 (b) What is the object\'s acceleration between 4.0 s and 9.0 s? m/s 2 (c)

Question

m/s2

(b) What is the object's acceleration between 4.0 s and 9.0 s?
m/s2

(c) What is the object's acceleration between 13.0 s and 18.0 s?
m/s2

(d) At what time(s) is the object moving with the lowest speed? (If there is more than one time, enter the times from smallest to largest. If there is only one time, enter 0 in the second box.)
s

s

(e) At what time is the object farthest fromx= 0?
s

(f) What is the final positionxof the object att= 18 s?
m

(g) Through what total distance has the object moved betweent= 0 andt= 18 s?
m

Explanation / Answer

a) a= dv/dt=0

b) a=dv/dt=(18-(-12))/(9-4)=6

c) a=dv/dt= (18-0)/(13-18)=-3.6

d) speed=0 at 6s and 18 s

e)18 s

f)s=-60+144=84

g) distance= 60+144=204

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