A particle P P\,P moves with a constant velocity of (4i−j)(4\mathbf{i} - \mathbf{j})(4i−j) ms−1^{-1}−1.
Verify that the speed of P P\,P is 17 ms−1\sqrt{17}\text{ ms}^{-1}17 ms−1.
Verify that the direction of motion of PPP, giving your answer as a bearing, is 104∘104^\circ104∘.
182 exam-style questions on Edexcel A Level Maths Forces and Motion, covering 10.1 Force Diagrams, 10.2 Forces as Vectors, 10.3 Forces and Acceleration, 10.4 Motion in 2 Dimensions, 10.5 Connected Particles, and 10.6 Pulleys. Each one has a worked solution and a mark scheme showing where the marks go.