Posted by **Greg** on Tuesday, April 29, 2008 at 11:14pm.

If an airplane is moving at a constant velocity of 400 m/s for 20 s, what is its acceleration during this period?

0 m/s squared

20 m/s squared

40.82 m/s squared

need more information

wouldnt it be need more information because isnt acceleration ending velocity minus starting velocity divided by the time, or can it be 20 m/s squared where 400 was over 20 s

- Physics -
**Quidditch**, Tuesday, April 29, 2008 at 11:23pm
You have the right idea. Yes, the AVERAGE acceleration is just as you stated, (ending velocity - starting velocity)/time. The problem says the starting and ending velocities are the same (always 400m/s). (400m/s - 400m/s) is 0. So the acceleration during this time is 0.

## Answer this Question

## Related Questions

- math - i am having a minor difficulty i've been stuck for over an hour and don't...
- Math - Find the shortcut. Solve these problems. Then find and explain a shortcut...
- algebra 2 multiple choice HELP - find f(a), if f(t) = 2t2(squared)-t-2 A. 2(a+t)...
- math - How do i find the area of a triangle? For example: A squared + b squared...
- MATH - My Math work instructions is place the numbers from least to greatest. 7 ...
- Math - My Math work instructions is place the numbers from least to greatest. 7 ...
- Math - I need help with this problem. In decimal form, write the ratio of the ...
- College Algebra - Can someone check my answer please! I'm not sure this is right...
- Math11U - A Pythagorean Triple is a set of integers that satisfy the Pythagorean...
- Algrebra - I need to find the approximate surface area of a cone with the R=5 ...

More Related Questions