a runner covers the last straight stretch of a race in 4 sec. during that time he speeds up from 5 m/s to 9m/s what is the runners acceleration in this part of the race?
Add an Answer
More Questions From This User See All
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
1m/s^2
Explanation:
We can use the Kinematic relationship.
where:
→•v f = final velocity;
→•v i = initial velocity;
→•a = acceleration;
→•t = time.
→•u= 5 m/s
→•v= 9 m/s
→•t= 4s
→•9 = 5 + 4a
→•4a = 9-5
→•4a = 4
divide both side by 4
→•a = 1
→•a= 1m/s^2