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harina [27]
3 years ago
5

How scientists decide if an exoplanet might be like Earth?

Physics
1 answer:
boyakko [2]3 years ago
4 0
With their stars habitable zone, but that depends the a range of factors such as,temperatures,available water,composition,stable climate etc...
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A laptop can convert 400J of electrical energy into a 240J of light and sound. What is the efficiency? Where does the rest of th
Blababa [14]
Efficiency = (Wanted) energy out ÷ energy in × 100

Energy in = 400J
Wanted Energy out = 240J

Energy cannot be used up, only transferred, so the remaining energy is most likely to be transferred into unwanted energy (loss of energy) such as heat energy.

Efficiency = 240 ÷ 400 × 100
Efficiency = 0.6 × 100
Efficiency = 60%
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You drop a ball from a height of 32 meters how much time passes before the ball hits the ground
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31 seconds

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I really hopes this helps.

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