Question

One ship is sailing due east at 10km/h and another ship is sailing due north at 15km/h. Find the velocity of the second ship relative to the first.

Answer 1

Step-by-step explanation:

Let the speed of ship be x,

Thus x×cos60=10 (since the ship is always north of the ship due east)

thus

2

x

=10

Therefore, speed of the second ship, x=20km/h

Answer 2

Step-by-step explanation:

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