Physics, 03.12.2020 02:30, drashanhparekh123
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How did a supernova contribute to the formation of the solar system?
A supernova contributed to the formation of the solar system in one way. The supernova released heavier elements that became part of the structures of the solar system, including the rocky planets.
A supernova contributed to the formation of the solar system in two ways. The supernova triggered the collapse of a nebula, causing the materials of that nebula to heat up and increase rotation rate, leading to the formation of the structures of the solar system, including the Sun, planets, moon and meteorites. The supernova also released heavier elements that became part of the structures of the solar system, including the rocky planets.
A supernova did not contribute to the formation of the solar system. A supernova did not contribute to the formation of the solar system.
A supernova contributed to the formation of the solar system in one way. The supernova triggered the collapse of a nebula, causing the materials of that nebula to heat up and increase rotation rate, leading to the formation of the structures of the solar system, including the Sun, planets, moon and meteorites.
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Physics, 22.06.2019 01:30, romanlittlewood
For problems 1-3, consider a simple dc brush motor with a permanent magnet stator. with an an consider a simple dc brush motor with a permanent magnet ae supply voltage of 100 v, the no-load speed of the motor is 1000 rpm. this motor can provide a torque of 1.9 n-m at 800 rpm drawing a current of 2 a current are both zero at no load.) 1. with an armature supply voltage of 100 v, the motor is operated at 900 rpm. what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input? what is the energy efficiency of the motor? with an armature supply voltage of 100 v, the motor is operated at 1100 rpm (where it acts as a generator). what torque input is required? what mechanical power is required what current is generated? what is the electrical power generated? what is the energy efficiency of the motor acting as a generator? 2. with an armature supply voltage raised to 120 v, the motor is operated at 1000 rpm. what is the no-load speed? what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input what is the energy efficiency of the motor? 3.
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Physics, 22.06.2019 11:20, ashtonbillups
More solar radiation is absorbed by earth’s surface than by
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How did a supernova contribute to the formation of the solar syst...
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