orbitalmechanics
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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' | ||
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+ | == Motor | ||
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+ | http:// | ||
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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 (from two rounds of integration) | ||
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+ | 2.7 * 1^2 / 2 = 1.45m | ||
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