A particle P P\,P moves with a constant velocity of (−20i−20j)(-20\mathbf{i} - 20\mathbf{j})(−20i−20j) ms−1^{-1}−1.
Find the speed of PPP.
Find the direction of motion of PPP, giving your answer as a bearing.
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.