Question

At noon, ship a is 130 km west of ship

b. ship a is sailing east at 30 km/h and ship b is sailing north at 15 km/h. how fast is the distance between the ships changing at 4:00 pm?

Answer 1

t = 4 hrs d = 100 km d = 60 km II. The two end point and the starting point (A) is a right triangle, After an hour, one end point (B) is 56mi/h the other (C) is 42mi/h. Apply the the Pythagorean formula