Physics, 16.10.2019 05:10 trentvw1174
Aroller coaster car of mass 1420 kg slides on a frictionless track starting at a distance 36.83 m above the bottom of a loop 29 m in diameter. the acceleration of gravity is 9.81 m/s 2. if friction is negligible, what is the magnitude of the force of the track on the car when the car is at the top of the loop? answer in units of n.
Answers: 3
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This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !
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Aroller coaster car of mass 1420 kg slides on a frictionless track starting at a distance 36.83 m ab...
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