3 years ago

How does energy ultimately leave the biosphere?

Physics

1 answer:

Serhud [2]3 years ago

3 0

It leaves the biosphere as heat

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Take one jar with salt water and another with pure water .put an egg into both jars. In which the jar egg floated over the liqui

DanielleElmas [232]

Answer:

if the which coduct salt has more density so the egg floats .

Explanation:

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3 years ago

The words can only be used onece. Use the words to complete the sentences below: Switch, break, on, complete, electricity, bulb,

lilavasa [31]

Answer:

A circuit which has a battery in it will not allow electricity to flow through it. A device called a switch can be used to complete a circuit so that other devices can be switched on or off.

Explanation:

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2 years ago

Which planet moves the fastest and which planet moves slowest? a, b, c, d, e, or f. Explain

Alisiya [41]

D is the point where the planet moves the fastest. This is because it is in the perihelion, where the planet is moving at it’s fastest pace

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2 years ago

In doing a load of clothes, a clothes dryer uses 16 A of current at 240 V for 45 min. A personal computer, in contrast, uses 2.7

EastWind [94]

Answer:

(a) Total time will be 8.05 hour

(B) Total cost will be $417.6

Explanation:

We have given dryer uses 16 A of current so current i = 16 A

Voltage V = 240 volt

Time t = 45 minutes =45×60 = 2700 sec

So power P = VI = 240×16 = 3840 W

So energy E = power×time = 3840×45×60 = 9396 KJ

(A) Now current in the computer i = 2.7 A

Voltage V = 120 V

So power P = 120×2.7 = 324 W

Now computer is using energy of dryer

So time by which it will use energy is $t=\frac{9396000}{324}=29000sec=8.05hour$

So time will be 8.05 hour

(b) Cost per kilowatt is $0.12

So total cost =3480×0.12 = $417.6

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3 years ago

3. Which statement would best describes the motion of the object graphed here?

Karo-lina-s [1.5K]

Answer:

It is B most likely

Explanation:

7 0

3 years ago