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Illusion [34]
3 years ago
5

What is the timeline for the law of conservation of energy

Physics
1 answer:
kirill [66]3 years ago
4 0
In 1842, Julius Robert Mayer discovered The law of conservation of Energy. It its most compact form, it it  now called The first law of Thermodynamics

Energy can neither be created nor destroyed, it can only be changed to another form of energy.
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A satellite, moving in an elliptical orbit, is 368 km above Earth's surface at its farthest point and 164 km above at its closes
Marat540 [252]

Answer:

a) 6636 km

b) 0.0154

Explanation:

The height above the earth at its furthest point is 368 km

The height above the earth at its closest point is 164 km

Radius of the Earth is 6370 km

The distance of the satellite from the center of the earth to the furthest point is 6370 + 368 km = 6738 km

The distance of the satellite from the center of the earth to the closest point is 6370 + 164 = 6534 km

If we add together the sum of the distance of the satellite from the furthest and its closest distance, it is equal to the 2 major semi axis.

Basically,

2a = R + r

a = (R + r) / 2

a = (6738 + 6534) / 2

a = 13272 / 2

a = 6636 km

Eccentricity, e = (a - r) / a

Eccentricity, e = (6636 - 6534) / 6636

Eccentricity, e = 102 / 6636

Eccentricity, e = 0.0154

3 0
2 years ago
If your weight is 120 pounds and your mass is 54 kilograms how would those values change if you were on the moon
BlackZzzverrR [31]
The gravitation acceleration on the moon is different than on Earth. It is 1.6 m/s^2. If you weigh 120 lbs, then you would multiply 120 pounds by the gravitational acceleration on the moon and then divide by the acceleration on Earth.

(120 lbs * 1.6) / 9.8 = 20 pounds.

The mass will always be the same no matter what planet you’re on, so it’s still 54 kg.
4 0
3 years ago
The process by which animals change O2 & glucose into energy ?
eduard
The process is called respiration. There are two types of respiration aerobic and anaerobic. The one which uses oxygen is aerobic respiration.
8 0
3 years ago
Read 2 more answers
What causes dispersion of light?​
AysviL [449]
Dispersion occurs due to the different degrees of refraction experienced by different colours of light. Light of different colours may travel with the same speed in a vacuum, but they travel at different speeds in some refracting medium. The speed of violet light is relatively lower than that of red light.
7 0
3 years ago
How does the movement of particles of matter change when matter goes from solid to liquid? (1 point)
Y_Kistochka [10]

Answer: c

Explanation: because if it increases then it gets hotter

if it decreases then its getting colder.

3 0
2 years ago
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