2. A trench mortar fires a shell at angle of 30° with the horizontal with an initial velocity of 500 m/s. (See the diagram.) Find a) its range, R; b) the highest point reached, and c) time before it returns to the same level. Solution: Given: Vo = Vo sin 20 2sin 2( a) R= 9.8 m/s2 R = )2sin2L 2(9.8) Vo sin20 b) H = 2g %3D c) te 2Vo sin 0 20 ) sin( R. %3D 9.8 m/s2
2. A trench mortar fires a shell at angle of 30° with the horizontal with an initial velocity of 500 m/s. (See the diagram.) Find a) its range, R; b) the highest point reached, and c) time before it returns to the same level. Solution: Given: Vo = Vo sin 20 2sin 2( a) R= 9.8 m/s2 R = )2sin2L 2(9.8) Vo sin20 b) H = 2g %3D c) te 2Vo sin 0 20 ) sin( R. %3D 9.8 m/s2
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter5: Gases
Section: Chapter Questions
Problem 93QAP
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