Select the correct answer.
Which of the following happens during the main-sequence stage of a star's life?
A. It cycles, appearing brighter and dimmer in turns,
B.
it changes the color that it emits,
It increases its distance from the Sun.
D.
It grows continuously smaller and dimmer,
Answers: 2
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Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points
Answers: 1
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In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_
Answers: 3
Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
Answers: 1
Select the correct answer.
Which of the following happens during the main-sequence stage of a star'...
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