The table shows the speed of a car in 10 second intervals. Describe:
1) Whether the speed is increasing or decreasing
2) Whether the acceleration is zero or not zero
Time (s) Speed (km/h)
0 0
10 40
20 60
30 70
40 75
Please answer asap.
Thank You!
Answers
Answered by
2
A)The speed is increasing
B) acceleration is non zero it is rather negative or decreasing .
Answered by
1
1) Increasing
2) Not zero
Explanation:
With each increment in time of 10 s, the speed is increasing from 0 to 40 to 60 and so on.. (in km/h).
Thus, the speed is definitely increasing.
As there is increase in the speed, the acceleration of the car is non-zero. This is because the speed is not constant. Acceleration is rate of change of velocity. So, if there is change in speed or direction or both, then there is acceleration.
Learn more about: acceleration
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