projectile of mass 3.2 x 10-2 kg is fired from å 3 x 10-4 m2 by means of compressed air. The variation with time of the excess pressurep of e gas in the barrel above atmospheric pressure is shown in the figure below. 60 50 40 p/MPa 30 20 10 0- 1.0 2.0 3.0 4.0 t/ms a) Calculate (i) the maximum force exerted on the projectile, (ii) the acceleration of the projectile which would result from the force calculated in (i). From the graph, estimate the total change in momentum experienced by the (b) projectile, due to the compressed gas. (c) The speed of the projectile changes from zero to 270 m s-1 as it leaves the barrel. What is the change in momentum of the projectile? (d) Compare your answers in (b) and (c) and suggest a possible reason for the difference.

projectile of mass 3.2 x 10-2 kg is fired from å 3 x 10-4 m2 by means of compressed air. The variation with time of the excess pressurep of e gas in the barrel above atmospheric pressure is shown in the figure below. 60 50 40 p/MPa 30 20 10 0- 1.0 2.0 3.0 4.0 t/ms a) Calculate (i) the maximum force exerted on the projectile, (ii) the acceleration of the projectile which would result from the force calculated in (i). From the graph, estimate the total change in momentum experienced by the (b) projectile, due to the compressed gas. (c) The speed of the projectile changes from zero to 270 m s-1 as it leaves the barrel. What is the change in momentum of the projectile? (d) Compare your answers in (b) and (c) and suggest a possible reason for the difference.

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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