# Is it jut me or is there an error in this example?

Where did the 50 for the v value come from?

## Answers and Replies

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ehild
Homework Helper
It must be a typo.

ehild

D H
Staff Emeritus
Science Advisor
More likely the 12 m/s was a typo, since 50 as a typo also means that the 410 N (stated twice) were also typos.

ehild
Homework Helper
More likely the 12 m/s was a typo, since 50 as a typo also means that the 410 N (stated twice) were also typos.
You are right, 12 was the typo

ehild