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Solve the Problem $\mathrm { s } = 2 \mathrm { t } ^ { 2 } - 3 \mathrm { t }$

Question 109

Multiple Choice

Solve the problem.
-The position of an object moving in a straight line is given by s $\mathrm { s } = 2 \mathrm { t } ^ { 2 } - 3 \mathrm { t }$ where s is in meters and t 281) is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the
Object to move 20 meters?

A) 21.0 sec
B) 3.8 sec
C) 74.0 sec
D) 4.0 sec

Solve the Problem s=2t2−3t\mathrm { s } = 2 \mathrm { t } ^ { 2 } - 3 \mathrm { t }s=2t2−3t

Multiple Choice

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Solve the Problem $\mathrm { s } = 2 \mathrm { t } ^ { 2 } - 3 \mathrm { t }$

Correct Answer:
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