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Which type of friction acts on a parachute falling to the ground?
A. heat f...
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Physics, 22.06.2019 10:30
If y gets smaller as x gets bigger and y have an relationship?
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Physics, 22.06.2019 17:30
Which planet do you think would be easiest for humans to colonize some day?
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Physics, 23.06.2019 03:10
You have been hired to design a spring-launched roller coaster thatwill carry two passengers per car. the car goes up a 10-m highhill, then descends 15m to the track's lowest point. you'vedetermined that the spring can be compressed a maximum o 2.0m andthat a loaded car will have a maximum mass of 400kg. for safetyreasons, the spring constant should be 10% larger than the minimumneeded for the car to just make it over the top. a) what spring constant (k) should you specify ? b) what is the maximum speed of a 350 kg car if the spring iscompressed the full amount.
Answers: 2
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