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Mumz [18]
3 years ago
15

The lever which makes our work easier only by accelerating the rate of work is:

Physics
1 answer:
ladessa [460]3 years ago
8 0

Answer:

power

Explanation:

it helps to do work without power we cant do any things

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What is heat energy on earth escapes into space
Firdavs [7]

Answer:

Latent heat, along with birds, ride those rising columns of air. This brings up a third and the ultimate mechanism by which the Earth's heat escapes into space, which is electromagnetic radiation. Every object, including the Earth's surface, absorbs and radiates heat electromagnetically

Explanation:

I LITERALLY JUST COPIED AND PASTED THIS FROM GOOGLE..i dont understand anything from it since im not on this topic but hope this help a little....i got it from google ..not my own work

5 0
3 years ago
Light is incident on a piece of glass in air at an angle of 33 degrees from the normal. If the index of refraction of the glass
lilavasa [31]
About 21 to 22 degrees 

as below

4 0
3 years ago
A NATO base in northern Norway is warmed with a heat pump that uses 7.0 °C ocean water as the cold reservoir. Heat extracted fro
tatiyna

Answer:

3.33, 4.84

Explanation:

A) Actual coefficient of performance can be calculated by the formula stated below

Actual COP = heat delivered/ work required

Actual COP = 2,000/600

Actual COP = 3.33

B) Th = High temperature = 80°C + 273 = 353K

Tl = Low temperature = 7°C + 273 = 280K

The theoretical maximum coefficient of performance can ve calculated by the formula

Theoretical COP = Th/(Th-Tl)

Theoretical COP = 353/(353-280)

Theoretical COP = 353/73

Theoretical COP = 4.84

3 0
4 years ago
Explain how tidal forces are causing Earth to slow down.
dybincka [34]

Answer: The tidal forces exerted by the moon are directly associated with the earth's rotation. Due to the strong gravitational pull of the moon, the tidal bulging appears on both the sides on earth and these are region of high tide, and there is gradual rise and fall of sea level.

Because of these tidal effect, the earth is able to rotate only once in each of the orbital period.

6 0
3 years ago
A point charge of magnitude q is at the center of a cube with sides of length L
DanielleElmas [232]

Answer:

Explanation:

Answer is in the attachment below:

5 0
3 years ago
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