Please help ASAP WILL MARK THE BRAINLEST

What is the acceleration of a bicycle if the bicycle plus the rider have a mass of 50 Kg and the net force on the bicycle is 250 N?

A) 7 m/s2

B) 3 m/s2

C) 5 m/s2

answer: i would say b.

explanation:

gas

explanation:

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c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.