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orbitalmechanics [2011/08/25 15:35]
donpdonp
orbitalmechanics [2016/06/25 11:25]
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-1 Newton = 1 kg * m/s^2 
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-== Vehicle 
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-80kg (175 lbs) 
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-80kg in earth'​s gravity (9.8m/s^2) creates 784 Newtons of downward force. 
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-== Motor 
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-http://​en.wikipedia.org/​wiki/​Model_rocket_motor_classification 
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-1,000 N engine (enough to overcome rocket weight) 
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-== Launch 
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-The upward force is 216N. 
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-The motor runs for 1 second. ​ 
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-== Questions 
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-What is the speed of the vehicle? 
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-216N * 1s = 216 kg m/s (Unit of momentum) 
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-216kg m/s / 80 kg = 2.7m/s 
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-What is the altitude of the vehicle? 
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-position = acceleration * time^2 / 2 
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-2.7 * 1^2 / 2 = 1.45m 
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orbitalmechanics.txt ยท Last modified: 2016/06/25 11:25 (external edit)