Physics, 15.02.2022 14:00 alemorachis49
A 500 kg roller coaster car is going over a hill, the top of which can be approximated as a circle of radius 40 meters. What is the maximum speed the car can go without loosing contact with the track?
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Explain why electric current cannot exist if a current doesn't have a voltage source.
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The heliocentric and the geocentric models of the solar system included these central principles
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The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
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Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
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A 500 kg roller coaster car is going over a hill, the top of which can be approximated as a circle o...
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