A particle of mass 2 kg has velocity (3i−j) m s−1(3\mathbf i-\mathbf j)\text{ m s}^{-1}(3i−j) m s−1. An impulse changes its velocity to (−i+5j) m s−1(-\mathbf i+5\mathbf j)\text{ m s}^{-1}(−i+5j) m s−1.
Find the impulse as a vector.
Find the magnitude of the impulse.
8 exam-style questions on CCEA A Level Maths 4.3 Impulse and momentum (A-level only), covering 4.3.1 Impulse and momentum (A-level only) and 4.3.2 Impulse and momentum (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.