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Ahat [919]
4 years ago
8

When the Moon passes through Earth's penumbra, it is a:

Physics
2 answers:
den301095 [7]4 years ago
8 0
B . penumbral eclipse
gayaneshka [121]4 years ago
7 0

Answer: it is B

Explanation: A penumbral lunar eclipse occurs when the Moon passes through Earth's penumbra. The penumbra causes a subtle dimming of the lunar surface, which is only visible to the naked eye when about 70% of the Moon's diameter has immersed into Earth's penumbra.

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Fnet = fa + ff or fnet = fa - ff
skelet666 [1.2K]

Answer:first of all what is your question and i can give and example which is Use them when you have 2 forces named Fa & FF or Fg & Ff acting in opposite directions on an object and you need to know the resultant of your 2 forces.

Explanation:

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5 0
3 years ago
Why does the same side of the moon always face earth
yuradex [85]
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4 0
3 years ago
Read 2 more answers
Which travels at the greatest speed?
lyudmila [28]
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5 0
4 years ago
A skateboarder skates down a ramp for 3 seconds. If his initial velocity was 0.8 m/s and · his final velocity was 7 m/s, what wa
Contact [7]

Answer:

The acceleration of the skateboarder is 2.067 m/s²

Explanation:

Given;

initial velocity of the  skateboarder, u = 0.8 m/s

final velocity of the  skateboarder, v = 7 m/s

time of motion, t = 3 s

The acceleration of the skateboarder is given as;

a = \frac{v-u}{t}\\\\a = \frac{7-0.8}{3}\\\\a = 2.067   \ m/s^2

Therefore, the acceleration of the skateboarder is 2.067 m/s²

5 0
3 years ago
75kg man climbs a mountain 1000m high in 3hrs and uses 4100 joulse/min. (a) calculate the power consumption in watt, (b) what is
mr Goodwill [35]

Answer:

Explanation:

a) Power consumption is 4100 J/min / 60 s/min = 68.3 W(atts)

work done raised the potential energy

b) 75(9.8)(1000) / (3(3600)) = 68.055555... 68.1 W

c) efficiency is 68.1 / 68.3 = 0.99593... or nearly 100%

Not a very likely scenario.

3 0
3 years ago
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