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19 July, 12:53

A boat travels at 15 m/s in a direction 45 east of north for an hour The boat then turns and tra

direction 5° north of east for an hour!

What is the magnitude of the boat's resultant velocity? Round your answer to the nearest whol.

m/s

What is the direction of the boat s resultant velocity? Round your answer to the nearest whole

+4
Answers (1)
  1. 19 July, 13:10
    0
    V1 = 15m/s[45o E of N.] = 45o N. of E.

    V2 = 18m/s[5o N. of E.].

    Vr = 15m/s[45o] + 18m/s[5o].

    Vr = 15*Cos45+15*sin45 + 18*Cos5+18*sin5.

    Vr = (10.61+10.61i) + (17.93+1.57i) = 28.54 + 12.18i.

    Magnitude = sqrt (28.54^2 + 12.18^2) =

    Tan A = Y/X = 12.18/28.54 = 0.42887. A =

    0 2

    posted by Henry

    Apr 8, 2017

    31 m/s

    23 ° north of east
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Home » Physics » A boat travels at 15 m/s in a direction 45 east of north for an hour The boat then turns and tra direction 5° north of east for an hour! What is the magnitude of the boat's resultant velocity? Round your answer to the nearest whol.
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