Point B is located across the river from point Aand at a $42\mathrm{.}0\circ$ angle upstream from A A boat travels from point A to point B sailing at $17\mathrm{.}0$ km$/$h relative to the water. The current in the river flows at $5\mathrm{.}60$ km$/$h The river is $1\mathrm{.}45$ km wide.

$1.$At what angle should the boat head?$\mathrm{}$

$2.$ What will be the boat$’$s speed relative to the ground?$\mathrm{}$

$3.$ How much time does the trip from point A to point B take?

 

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Answer rating: 100% (QA)

Lets represent the variables graphically using vectors Denote U as the velocity vector of the boat r... View the full answer