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Question 32

A boat $B\,$ moves with a constant velocity. At noon, $B\,$ is at the point with position vector $km(2\mathbf{i} - 5\mathbf{j}) \text{ km}$ with respect to a fixed origin $O$ . At 1430 the boat is at the point with position vector $km(-8\mathbf{i} + 10\mathbf{j}) \text{ km}$ .

a.

Find the velocity of $B$ .

[3]

b.

Find the bearing of the velocity vector

[2]

c.

Find an expression, in terms of $t$ , for the position of $B$ $t\,$ hours after noon.

[2]

Further Kinematics Questions

A Level
Maths
Further Kinematics