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Tcecarenko [31]
3 years ago
13

An astronomer would most likely use parallax to

Physics
1 answer:
12345 [234]3 years ago
4 0
The correct answer is<span> measure the distance to a star. 

It is</span> the semi-angle of inclination between two sight-lines to the star, as observed when the Earth is on opposite sides of the Sun in its orbit. This is used to measure the distance to closer stars.
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A rock displaces 1.65 L of water. The volume of the rock is:
Oksanka [162]

Answer:

According to Archimedes principle, volume of water displaced = volume of water.

Hence volume of rock is = 1.65L or 1650 cm^3

Explanation:

7 0
3 years ago
What does it mean if the moon is waxing and waning
konstantin123 [22]
Both verbs come from Olde English. 
That's why everybody clearly understood their meaning until
a hundred years ago, but nobody understands them now.


"Waxing"  =  growing

For two weeks after the New Moon, it's growing toward Full.
First it's a waxing crescent for a week, then it's waxing gibbous.


"Waning"  =  shrinking

For two weeks after the Full Moon, it's shrinking toward New.
First it's waning gibbous for a week, then it's a waning crescent.
6 0
3 years ago
If 3,600 J of work is done in 3.0 s, what is the power?
Firlakuza [10]

Answer:

1,200 watts

Explanation:

1 watt = 1 Joule (J) of work / second

So, 3600 Joules of work / 3 seconds is:

3600 J / 3 seconds = 1,200 watts

8 0
3 years ago
How is the path of the water particles near the water's surface different from the path near the ocean floor
swat32

Answer: Cold Ocean Currents: It is the layer of the ocean water which moves due to the stress of blowing the wind and this motion is thus called as Ekman Transport. Deep Water Currents: They constitute about 90% of the ocean water. They move around the ocean basin due to variations in the density and gravity.

7 0
3 years ago
What are some similarity’s and differences between potential and kinetic energy
Lady_Fox [76]

Answer: posteintal is like something that is about to happen and kinetic is like the energy while something is moving

Explanation:

6 0
3 years ago
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