An aeroplane moves so that at time t seconds, its position vectors, r metres, is given by: r= (40t)i + (3r² + 201) j The unit vectors i and j are that are directed horizontally and vertically respectively. The aeroplane is initially at ground level. a) Find the time when the height of the aeroplane is 500 metres. ( seconds) b) Find the speed of the aeroplane at this time. ( m/s) c) Find the magnitude of acceleration of the aeroplane. ( m/s2)

An aeroplane moves so that at time t seconds, its position vectors, r metres, is given by: r= (40t)i + (3r² + 201) j The unit vectors i and j are that are directed horizontally and vertically respectively. The aeroplane is initially at ground level. a) Find the time when the height of the aeroplane is 500 metres. ( seconds) b) Find the speed of the aeroplane at this time. ( m/s) c) Find the magnitude of acceleration of the aeroplane. ( m/s2)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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