Question Number 103449 by aurpeyz last updated on 15/Jul/20

Answered by Worm_Tail last updated on 15/Jul/20

V=(√(v_(boat) ^2 +v_(river) ^2 −2v_(boat) v_(river) cos(70)))  V=(√(12^2 +12^2 −2(12)(12)cos(70)))  V=(√(189.4982     ))  V=13.765m.s^(−1)   sinθ=((sin70)/(13.765))×12=0.81920  θ=sin^(−1) 0.81920=55  diretn=55−20=35

Commented byaurpeyz last updated on 15/Jul/20

thanks sir