Science

A car traveling north speeds up from 5 m/s to 25 m/s in 10 seconds. What is the car’s acceleration? (1 point)
A: 2 m/s2
B: 125 m/s2
C: 2.5 m/s2
D: 10 m/s2

halp? im kinda stumped on this one question.
•_•)
thx

M

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  1. A dog runs through a field and covers 100 meters in 5 seconds. What is the speed of the dog? (1 point)
    A: 500 m/s
    B: .05 m/s
    C: 20 m/s **
    D: 50 m/s

    also, I'm not sure about this one ╚(•⌂•)╝
    okay thanks!

    M

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  2. acceleration = (change in speed) / (change in time)


    2nd one looks good

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    posted by R_scott

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