Jim is trying to improve his speed on the track so he can qualify for the State Championships. As he is running, he goes from 70 meters/minute (beginning speed) to 106 meters/minute (final speed) in 9 seconds. What is his acceleration? SHOW YOUR WORK PLEASE HELP?

240meters/mins^2

Explanation:

Initial speed =70meters/minute

Final speed = 106meters/minute

Time =9 seconds

9/60 = 0.15mins

Acceleration = final speed - initial speed divided by time

That’s a = 106-70 /0.15

= 36/0.15

= 240meters/mins^2

0.067 meters/sec²

Explanation:

First we have to convert speeds to meters per second since time is in seconds.:

We have to multiply speeds by 1min/60sec

Beginning speed (70m/min)x(1min/60sec) = 70/60 m/s

Final speed (106m/min)x(1min/60sec) = 106/60 m/s

Acceleration = (Final speed - Beginning speed) ÷ time

Acceleration = (106/60 - 70/60)m/s ÷ 9s

Acceleration = (36/60)m/s ÷ 9s

Acceleration = 36m/60·9s²

Acceleration = 36m/540s²

Acceleration ≅ 0.067 m/s²

Acceleration ≅ 0.067 meters/sec²

the answer to this question is 60 n

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