MEDAL IF YOU HELP ME UNDERSTAND THISS
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

Question

MEDAL IF YOU HELP ME UNDERSTAND THISS
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

anonymous · Answer

@myininaya @ganeshie8 can anyone help??

anonymous · Answer

Remember this equation of motion:$$v _{f}=v _{o}+at$$where vf is the final velocity; vo is the initial velocity; a is acceleration; and t is the time over which the acceleration occurs. If you look at what you are given in the problem, you should now be able to solve the problem.