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I will give all my points For who ever answers this A ball rolls down a ramp. starting from rest. After 4.9 seconds, its velocity is 7 m/s. What is the acceleration of the ball?
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I will give all my points For who ever answers this

A ball rolls down a ramp. starting from rest. After 4.9 seconds, its velocity is
7 m/s. What is the acceleration of the ball?

User Rokuto
by
4.2k points

1 Answer

3 votes

Answer:

1.43 m/s/s

Step-by-step explanation:


a= (vf-vi)/(t)

vi=0m/s

Vf=7m/s

t=4.9


7/4.9=1.4285714285714284

or 1.43 m/s/s

User Vidyut
by
5.0k points
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