A runner dashes from the starting line to a point 139 m away and then turns around and runs to a point 28 m away from the starting point in 24 seconds. To the nearest tenth of a m/s what is the average speed?
1 point
1
Question 2
2.
What is the runner's average velocity in the previous problem given to the nearest tenth of a m/s?
2 points
2
Question 3
3.
1. What is the acceleration of the object in this graph?
2. How do you know?
1 point
1
Question 4
4.
A car accelerates at a constant rate from 20 m/s to 27 m/s in 10 seconds. What is the average acceleration in m/s2?
1 point
1
Question 5
5.
A car slows down from 27 m/s to 15 m/s in 5 seconds. What is the average acceleration in m/s2?
1 point
1
Question 6
6.
A car traveling at 18 m/s accelerates at 3 m/s2 for 14 seconds. To the nearest meter how far does it travel?
1 point
1
Question 7
7.
What is the final velocity of the car in the previous problem?