Physics, 22.11.2019 00:31 puppylover72
In the figure, the two speakers emit sound that is 180 degree out of phase and of a single frequencyf. does larry hear a sound intensity that is a maximum or minimum. find the lowest two frequencies that produce a maximum sound intensity at the positions of moe and curly
Answers: 3
Physics, 22.06.2019 01:30
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.
Answers: 3
Physics, 22.06.2019 12:00
Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
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Physics, 22.06.2019 16:00
Marvin records scientific data about lake superior. for which property has marvin forgotten to use an si unit of measurement? shore length high temperature low temperature annual precipitation
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Physics, 23.06.2019 01:20
What is the state of matter with a specific volume but no definite shape
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In the figure, the two speakers emit sound that is 180 degree out of phase and of a single frequency...
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