Ask your own question, for FREE!
Physics 7 Online
OpenStudy (anonymous):

What happens when an object is dropped? A. Its velocity at 2 seconds is 9.8 m/s. B. Its velocity at 2 seconds is 19.6 m/s. C. Its velocity at 2 seconds is 22 mph. D. Its velocity at 2 seconds is 20 km/h. @Imtiaz7

OpenStudy (anonymous):

I know that C. is incorrect.

OpenStudy (imtiaz7):

yes c is incorrect

OpenStudy (anonymous):

Do you know the answer?

OpenStudy (imtiaz7):

wait am calculating

OpenStudy (anonymous):

I think the answer is B.

OpenStudy (imtiaz7):

did you use this formula vf=vi+at

OpenStudy (imtiaz7):

i also think that but it should be confirm

OpenStudy (anonymous):

No... I used v = ▲x/▲t

OpenStudy (anonymous):

Where, 'v' = average velocity '▲x' = displacement '▲t' = change in time

OpenStudy (imtiaz7):

'� your messages are shown like this

OpenStudy (anonymous):

Refresh your page.

OpenStudy (imtiaz7):

so what's your answer

OpenStudy (anonymous):

\[\huge {B.~!!}\]

OpenStudy (imtiaz7):

THEN GO AHEAD! :)

OpenStudy (anonymous):

Can I post the next question?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!