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Sophie [7]
3 years ago
14

Placing my hand into a warm glove will warm my hand from _____. convection radiation conduction the greenhouse effect

Physics
2 answers:
Olin [163]3 years ago
8 0

Answer: The correct answer is conduction.

Explanation:

In conduction , there is not actual movement of matter. Heat flows from hotter body to colder body but when two bodies are placed in contact with each other.

In convection, there is a physical movement of matter.

Radiation is the emission of the energy. Heat travels through vacuum in the radiation.

Consider the example of burning fire. On the top of the burning fire, there is convection due to the movement of hot air. In the front of the burning fire, there is radiation. Heat is received to the person via a radiation.

Conduction occurs when two bodies are in contact with each other.

Therefore, Placing my hand into a warm glove will warm my hand from conduction.

adelina 88 [10]3 years ago
5 0
Conduction is the answer.

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What is the force weight of a jaguar who jumps 3 meters to a tree branch with 2670 J of work?
fgiga [73]

Answer:

we \: know \: energy \:  =  \: force \:  \times distance \\ e = f \times d \\ so \: f \:  =  \frac{e}{d}  \\ so \: th \: force \: here \:  =  (\frac{2670}{3}) newton \\  = 890newton

Hope it helps

7 0
3 years ago
An object is at rest on the ground. The object experiences a downward gravitational force from Earth. Which of the following pre
Montano1993 [528]

Answer:

A) and B) are correct.

Explanation:

If the object is at rest, it means that no net force is exerted on it.

As the object experiences a downward gravitational force from Earth, in order to be at rest, it must experience an upward force with the same magnitude as the gravitational force on the object.

This force is supplied by the normal force, which can adopt any value in order to meet the condition imposed by Newton´s 2nd Law, and is always perpendicular to the surface on which the object is placed (in this case, the ground).

At a molecular level, this normal force is supplied by the bonded molecules of the ground that behave like small springs being compressed by the molecules of the object, exerting an upward restoring force upward on them.

So, the statements A) and B) are true.

6 0
3 years ago
Read 2 more answers
With a total force of 20,000 newtons, an airplane has a mass of 1,200 kg. What is its acceleration?
swat32

Answer:

<h3>The answer is 16.67 m/s²</h3>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

f is the force

m is the mass

From the question we have

m =  \frac{20000}{1200}  =  \frac{200}{12}  \\  = 16.66666...

We have the final answer as

<h3>16.67 m/s²</h3>

Hope this helps you

8 0
3 years ago
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The correct answer D: all of the above

5 0
3 years ago
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Verdich [7]
Answer: c) DNA to RNA
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