3 years ago

Which is the 2nd closest star to earth??

Physics

2 answers:

IgorLugansk [536]3 years ago

8 0

Answer:

Proxima Centauri

Explanation:

U 2 can help me by marking as brainliest........

kykrilka [37]3 years ago

5 0

Proxima Centauri is the second closest star to Earth

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During the first 14 minutes of a 1.0 hour trip, a car has an average speed 36 km/h. What must the average speed in km/h of the c

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Answer:

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Explanation:

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$v_{2}$ = average speed in second phase

$d_{1}$ = distance traveled in first phase

$d_{2}$ = distance traveled in first phase

average speed is given as

$v = \frac{d_{1} + d_{2}}{t_{1} + t_{2}}$

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$74 = \frac{(36) (0.233) + v_{2} (0.767)}{0.233 + 0.767}$

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