Question

A ship move due North at 100km-1 on a river flowing due east at 25-2.calculate the magnitude of the resultant velocity of the ship?

Pls I need your help, by help me solve this question
sqrt (100^2 + 25^2) = sqrt (10,625) = 103.08
Thank you so much
100-2+25-2
10000+625=10625=103.08
103.08+100+25=228.08

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