b. main-sequence star.
Physics, 24.08.2019 09:20 Hatter6998
Astar that's actively fusing hydrogen into helium is aa. supergiant.
b. main-sequence star.
c. red giant.
d. white dwarf.
Answers: 2
Physics, 21.06.2019 20:30
Asmall metal bar, whose initial temperature was 10Β° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70Β° c if it is known that its temperature increases 2Β° during the first second? (the boiling temperature for water is 100Β° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98Β° c? (round your answer to one decimal place.)
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Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear
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Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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Physics, 22.06.2019 11:30
Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
Answers: 3
Astar that's actively fusing hydrogen into helium is aa. supergiant.
b. main-sequence star.
b. main-sequence star.
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