Question
A car is initially traveling at a speed of 18 meters per second. After merging onto a highway, it increases its velocity by 6 meters per second every second for a duration of 2.0 seconds. Following this acceleration, the car maintains this new speed. What is the car's velocity while on the highway?
30.0 m/s
12.0 m/s
26,0 m/s
3.0 m/s
30.0 m/s
12.0 m/s
26,0 m/s
3.0 m/s
Answers
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Answered by
GPT 3.5
To find the car's velocity on the highway, we need to determine how much the velocity increases during the two seconds of acceleration.
The car increases its velocity by 6 m/s every second for a duration of 2.0 seconds.
Therefore, the total increase in velocity during the acceleration period is 6 m/s * 2 seconds = 12 m/s.
The initial velocity of the car is 18 m/s.
Thus, the car's velocity on the highway is 18 m/s + 12 m/s = 30 m/s.
Therefore, the correct answer is 30.0 m/s.
The car increases its velocity by 6 m/s every second for a duration of 2.0 seconds.
Therefore, the total increase in velocity during the acceleration period is 6 m/s * 2 seconds = 12 m/s.
The initial velocity of the car is 18 m/s.
Thus, the car's velocity on the highway is 18 m/s + 12 m/s = 30 m/s.
Therefore, the correct answer is 30.0 m/s.
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