Question
A ship sails north at 15 km/h but drifts westward with the tide at 8 km/h. What is the resultant velocity of the ship?
Help me Please
Help me Please
Answers
Steve
draw a diagram of the velocities.
Recognize an 8-15-17 right triangle?
Recognize an 8-15-17 right triangle?
bobpursley
That is a right triangle:
speed=sqrt(15^2+8^2)
direction: arctan(8/15) W of N
That is a strong tide.
speed=sqrt(15^2+8^2)
direction: arctan(8/15) W of N
That is a strong tide.