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svetlana [45]
3 years ago
6

Which of the following is a luminous object? the Moon Jupiter a comet the Sun

Physics
2 answers:
fgiga [73]3 years ago
6 0
The Sun is the only luminous object on that list ... it has its own light.

Jupiter, the Moon, and comets are only visible when the Sun shines on them.
babunello [35]3 years ago
3 0
The Sun is a luminous object. 
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The Steamboat Geyser in Yellowstone National Park shoots water into the air at 48.0 m/s. How
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Answer:

The maximum height reached by the water is 117.55 m.

Explanation:

Given;

initial velocity of the water, u = 48 m/s

at maximum height the final velocity will be zero, v = 0

the water is going upwards, i.e in the negative direction of gravity, g = -9.8 m/s².

The maximum height reached by the water is calculated as follows;

v² = u² + 2gh

where;

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0 = u² + 2gh

0 = (48)² + ( 2 x -9.8 x h)

0 = 2304 - 19.6h

19.6h = 2304

h = 2304 / 19.6

h = 117.55 m

Therefore, the maximum height reached by the water is 117.55 m.

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