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vfiekz [6]
3 years ago
11

What is the cooling power P? Recall that the rate at which energy is removed, also called the cooling power, was described earli

er as being constant.Express your answer numerically in watts (joules per second).
Physics
1 answer:
gayaneshka [121]3 years ago
3 0

Answer:

36.667

Explanation:

(2.2*10^4)/(10*60)

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An object weighs 60.0 kg on the surface of the earth. How much does it weigh 4R from the surface? (5R from the center)
Alecsey [184]
"60 kg" is not a weight.  It's a mass, and it's always the same
no matter where the object goes.

The weight of the object is   

                                 (mass) x (gravity in the place where the object is) .

On the surface of the Earth,

                   Weight = (60 kg) x (9.8 m/s²)

                                =      588 Newtons.

Now, the force of gravity varies as the inverse of the square of the distance from the center of the Earth.
On the surface, the distance from the center of the Earth is 1R.
So if you move out to  5R  from the center, the gravity out there is

                    (1R/5R)²  =  (1/5)²  =  1/25  =  0.04 of its value on the surface.

The object's weight would also be 0.04 of its weight on the surface.

                 (0.04) x (588 Newtons)  =  23.52 Newtons.

Again, the object's mass is still 60 kg out there.
___________________________________________

If you have a textbook, or handout material, or a lesson DVD,
or a teacher, or an on-line unit, that says the object "weighs"
60 kilograms, then you should be raising a holy stink. 
You are being planted with sloppy, inaccurate, misleading
information, and it's going to be YOUR problem to UN-learn it later.
They owe you better material.
6 0
3 years ago
on june 21 some earth locations have 24 hours of daylight these locations are all between the latitudes of
andrew-mc [135]

66° N and 90° N

the area of the artic circle in the northern hemisphere

4 0
3 years ago
Six parts of Health-Related Fitness
mars1129 [50]
Considering the total body, there are six elements of fitness: aerobic capacity, body structure, body composition, balance, muscular flexibility and strength
8 0
3 years ago
If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:​
Stolb23 [73]

Answer:

32

Explanation:

the atomic mass is the number of protons and neutrons in the nucleus of an atom

so we will add 16 + 16 = 32

8 0
3 years ago
5. A body travels in a circle at a constant speed, it
nata0808 [166]
A the same acceleration
5 0
2 years ago
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