Deck 10: Extension B: Vector Functions

Question 1

A woman walks due west on the deck of a ship at mi/h.The ship is moving north at a speed of mi/h.Find the speed of the woman relative to the surface of the water.Round the result to the nearest tenth.

Answer 1

Question 2

Find

A)
B) ,
C)
D)
E)

Answer 2

Question 3

The tension T at each end of the chain has magnitude N and makes an angle with the horizontal.What is the weight of the chain? Round the result to the nearest hundredth.

Answer 3

Question 4

Find the unit vectors that are parallel to the tangent line to the curve at the point

A)
B)
C)
D)
E)

Question 5

Find

A)
B)
C) 27
D) 90
E)