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Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 β from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30β from horizontal. what is the weight of the rider? express your answer with the appropriate units.
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Physics, 22.06.2019 16:20
How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
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Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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History, 05.07.2019 10:40
History, 05.07.2019 10:40
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History, 05.07.2019 10:40
History, 05.07.2019 10:40
Chemistry, 05.07.2019 10:40
Social Studies, 05.07.2019 10:40
Mathematics, 05.07.2019 10:40
Chemistry, 05.07.2019 10:40
Chemistry, 05.07.2019 10:40
History, 05.07.2019 10:40