Near the top of this web page, there is a link to a quiz. If you take the Novice quiz called "Beginning Physics", you will find an error in question 4:(adsbygoogle = window.adsbygoogle || []).push({});

Question: A cyclist changes velocity from 5 m/sec [N] to 15 m/sec [N] in 4.0 sec. What is the value of her acceleration?

a) 2.5 m/sec

b) 5 m/sec

c) 1.5 m/sec

d) 3.5 m/sec

Can you spot it? Highlight the text below for the answer.

Highlight this

Acceleration is length per time squared. And it has a direction, in this case [N].

to see the answer

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# Error in quiz

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