Sandra is riding a bicycle at 10.0 meters/second. She slows down to 2.0 meters/second in 10 seconds. Her acceleration is ( ) meters/second2.

Respuesta :

change of speed = -8 m/s 
time = 10 s 
acceleration = -8/10 = -0.8 m/s^2

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Answer:

-0.8

Explanation:

Trust me. I had to answer this too. I tried what Someone said got it wrong, tried again with this answer and I got it CORRECT. So, trust me.

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