3 years ago

Which of the following is a characteristic of a white dwarf star?

Physics

2 answers:

Alex787 [66]3 years ago

6 0

D) very hot, these type of stars are hotter than the sun ranging about 180,000 degrees Fahrenheit.

Dmitry [639]3 years ago

6 0

Answer:

B)low volume

Explanation:

A white dwarf star can have the same amount of mass as the sun, but in the volume of our planet earth, this means that it has one of the highest densities in the universe, the white dwarf stars surface temperature isnot the hottest nor the coolest, so the only thing that it´s actually true is that a white dwarf star has low volume.

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BartSMP [9]

Answer:A) 19.8 seconds

B) 467.5 metres

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So, it covers 27.78 metres in one second

Take the time it would cover 550m as x

Therefore 27.78m = 1second

550m = x

Cross multiplying

27.78x = 550m

Divide both sides by the coefficient of x

x = 550÷27.78

x = 19.8seconds

B) distance = speed × time

Speed = 85km/hr = 23.61m/s

Time = 19.8seconds

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Distance = 23.61 × 19.8

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Luba_88 [7]

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Explanation:

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