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Physics, 22.06.2019 11:30
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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Physics, 23.06.2019 02:40
An impulse is the product of the on an object and time during which it is applied
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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
Physics, 23.06.2019 07:40
The resistance of 100 w bulb is less than resistance of 40 w bulb. explain the reason.
Answers: 1
A hiker walks the first half of a straight 1.4 km trail at a steady pace of 1.7 m/s, east. He walks...
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