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Nadusha1986 [10]
3 years ago
10

Which title best reflects the main idea of the passage? The Role of Convection in the Distribution of Earth's Energy The Role of

Heat Transfer Methods in the Distribution of Earth's Energy Conduction, Convection, and Radiation: Methods of Heat Transfer Conduction, Convection, and Radiation: The Heating Up of Earth's Surface
Physics
2 answers:
Leto [7]3 years ago
8 0

Answer:

The Role of Heat Transfer Methods in the Distribution of Earth's Energy

Explanation:

oee [108]3 years ago
5 0

Answer:

Convection

Explanation:

It is the currents of the hot gooey mantel of one of the layers of the earth

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If Petrol diesel etc catches fire one should never try to extinguish in using water why?​
FrozenT [24]

Answer:

because both petrol and diesel are oil

Explanation:

oil floats on water that's why if we will try to extinguish with water so the fire will float on <u>water</u>

<u>hope</u><u> </u><u>u</u><u> </u><u>like</u><u> </u><u>my</u><u> </u><u>ans</u><u>wer</u><u> </u>

<u>pl</u><u>ease</u><u> </u><u>mar</u><u>k</u><u> </u><u>methe</u><u> </u><u>brainest</u>

7 0
3 years ago
An object is hanging by a string from the ceiling of an elevator. The elevator is moving upward with a constant speed. What is t
xeze [42]

Answer:

The magnitude of the tension in he string is equal to the magnitude of the weight of the object.

Explanation:

According to the Newton's 1st law, An object will remain at rest or in uniform motion in a straight line unless acted upon by an unbalanced force.

In here, the elevator is moving with a constant speed. So the object must have the equal constant speed. Which means, it has a uniform motion. According to Newton's 1st law, the total unbalanced force on the object must be zero . As we know, there are only two forces are on the object and they are,

The tension in string(T)   ,   The weight of the object(W) .

                                  ∴ F    =   0

                                 T  -  W  =   0

So to balanced those forces, the magnitude of the tension in the string must be equal to the magnitude of the weight of  the object.  

       

8 0
2 years ago
A 50.0-kg wolf is running at 10.0 m/sec. What is the wolfs kinetic energy
Fiesta28 [93]
Kinetic energy = mass time squared speed divided by 2 
W=mv^2/2 = 50*10*10/2 = 2500 J

4 0
2 years ago
Which description does the phrase "mechanical advantage" most closely relate to?
yKpoI14uk [10]
<span>the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine. I would say the answer is D, but i'm not sure. :)</span>
4 0
3 years ago
Porque es un bioelemento el zinc?
Simora [160]

Answer: EL ZINC ES EL ELEMENTO PURO PORQUE NO HA REACCIONADO CON NINGÚN OTRO METAL O NO METAL. EL SULFURO DE ZINC ES UN COMPUESTO PORQUE HA REACCIONADO CON EL AZUFRE PARA HACER EL COMPUESTO.

english:

ZINC IS THE PURE ELEMENT BECAUSE IT HAS NOT REACTED WITH ANY OF OTHER METAL OR NONMETAL. ZINC SULPHIDE IS A COMPOUND BECAUSE IT HAS REACTED WITH SULPHUR TO MAKE COMPOUND.

5 0
2 years ago
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