Register
After traveling for 6.0 seconds, a runner reaches a speed of 12 m/s after starting from rest. What is the runner’s acceleration?A. .5 m/s2B. 6 m/s2C. 72 m/s2D. 2 m/s2
106,924 views
12 votes
12 votes
After traveling for 6.0 seconds, a runner reaches a speed of 12 m/s after starting from rest. What is the runner’s acceleration?A. .5 m/s2B. 6 m/s2C. 72 m/s2D. 2 m/s2

User Abhinav Suman
by
2.9k points

1 Answer

26 votes
26 votes

We can find the acceleration as follows:


\begin{gathered} a=(\Delta v)/(\Delta t) \\ so: \\ a=(12-0)/(6-0) \\ a=(12)/(6) \\ a=2m/s^2 \end{gathered}

Answer:

D. 2 m/s^2

User Christophe L
by
2.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

After a light turns green , Lesly accelerates to 120 km/hr over 100 meters . What is her acceleration in m/s^2
If a constant fotce of 490 newtons is applied to an object and it proceeds to accelerate in the opposjte direction at 9.8 meters per second, every second, what is its mass?
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object. 2. if i start with 36 ml of water in a graduated
Why is the system of si unit developed
a dog is running around chasing his tail using a force of 30N. The dog has a mass of 5 kg. what is the dogs acceleration?
Link Copied!