Homework Help: Science Hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Posted by Becka on Monday, December 10, 2012 at 10:26am.

What is the acceleration of an object if it goes from a velocity of +25 m/s to rest in 5.0 s?
A. –5 m/s2

B. +5 m/s2

C. –25 m/s2

D. +25 m/s2

Science Hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - Damon, Monday, December 10, 2012 at 10:31am
(final velocity - initial velocity)
--------------------------------------
(final time - initial time)

= ( 0 - 25 ) m/s / ( 5.0 - 0 ) s

= -25/5

= -5 m/s^2
Science Hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - Becka, Monday, December 10, 2012 at 10:53am
thanks!!!!!!!

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