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galben [10]
3 years ago
7

Select the sentence that best describes why copper and some other metals are good conductors.

Physics
2 answers:
Crank3 years ago
5 0
B) Copper atoms have a loosely held free electron in their outer shell that is able to move freely to other atoms.
NARA [144]3 years ago
3 0

Answer:

B) Copper atoms have loosely held free electrons in their outer shell that is able to move freely in other atoms.

Explanation:

A material which has loosely held free electrons in its outermost shell is always a good conductor. These loosely held free electrons move from atoms to atoms and cause conductivity. It is known that copper and other metals are good conductors. Therefore, option (B) supports the argument and is a right answer.

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3. How does the vapor pressure of water at 10°C compare with its vapor pressure at 50°C? The vapor pressure of water is lower at
kkurt [141]

Answer :The vapor pressure of water is greater at 50°C than it is at 10°C.

Explanation: Vapor pressure is the pressure exerted by the vapors over the surface of the liquid.

Vapor pressure is directly proportional to the temperature as more is the temperature, more liquid can be converted to vapors and more vapors will exert greater vapor pressure.

As 50 ° C > 10 ° C, at 50 ° C, vapor pressure will be more as compared to 10 ° C.

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For all army out there SHOULD I GET BTS MURCH
Pavel [41]

Answer:

yes

Explanation:

6 0
3 years ago
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What is the acceleration if a 5 kg cart is pushed with 30 N of force?
sp2606 [1]

Answer:

<h2>6 m/s²</h2>

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

a  = \frac{30}{5}  \\

We have the final answer as

<h3>6 m/s²</h3>

Hope this helps you

3 0
3 years ago
Which botany phenomenon is primarily based on an understanding of physics
erik [133]
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3 0
4 years ago
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A truck initially traveling at a speed of 22 m/s increases at a constant rate of 2.4 m/s^2 for 3.2s. What is the total distance
FinnZ [79.3K]

Answer:

82.7 m

Explanation:

u= 22m/s

a= 2.4 m/s^2.

t= 3.2 secs

Therefore the distance travelled can be calculated as follows

S= ut + 1/2at^2

= 22 × 3.2 + 1/2 × 2.4 × 3.2^2

= 70.4 + 1/2×24.58

= 70.4 + 12.29

= 82.7 m

Hence the distance travelled by the truck is 82.7 m

6 0
3 years ago
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