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Leya [2.2K]
3 years ago
12

Which element has the highest number of protons?

Physics
2 answers:
MArishka [77]3 years ago
4 0

Answer:

d) Radon has the highest number of protons (it has 86 protons)

Explanation:

nexus9112 [7]3 years ago
3 0
I thinking the answer is D. Radon
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Air temperature in a desert can reach 58.0°C (about 136°F). What is the speed of sound (in m/s) in air at that temperature?
Veronika [31]

The approximate speed of sound in dry (0% humidity) air, in meters per second, at temperatures near 0 °C, can be calculated from

c_{air} = (331.3+0.606 \upsilon)

Here

\upsilon = Temperature in Celsius

Replacing with our values we have that

\upsilon=58\° C

c_{air} = (331.3+0.606*58)

c_{air} = 366.1m/s

Therefore the speed of sound in air at that temperature is 366.1m/s

3 0
3 years ago
PLEASE HELP ME
madreJ [45]
The answer is B. Vas deferens.

The Vas deferens is a tube that carries the sperm from your testes to the urethra and out the body. A vasectomy is a form of birth control where the pathway of sperm is blocked through cutting or tying off the vas deferens. The word Vasectomy comes from the term Vas<span> deferens.</span>
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3 years ago
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Every motor vehicle registered in a foreign jurisdiction and every motorcycle registered in this state must be equipped with a m
xenn [34]

Answer:

200 feet

Explanation:

According to my research on the studies conducted by motor vehicles safety professionals, It is said that based on the information provided within the question the driver needs a mirror in which he/she is able to view the roadway 200 feet to the rear of the vehicle. This is a safety precaution which allows the driver a broader environmental awareness leading to less accidents.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0
3 years ago
1) Calculate the ideal efficiency of a heat engine that takes in energy at 800 K and expels heat to a
masha68 [24]

Answer:

Could you explain that more better?

Explanation:

3 0
3 years ago
A classmate is attempting to draw a free body diagram for a box being pushed across the floor at a constant speed. The image bel
aivan3 [116]

Answer:

A. The applied force should be the same size as the friction force

Explanation:

Whenever we apply a force to an object it moves if the force applied to that object is unbalanced and there is no force or a lesser force to counter it. According to Newton's Second Law of motion, when an unbalanced force is applied to an object it produces an acceleration in the object in its own direction. So, the two forces acting on this box are the frictional force and the applied force in horizontal direction. In order to move the box at constant speed, the applied force must first, overcome the frictional force, so the object can start its motion. Since, the motion has constant velocity, it means no acceleration. So, the force must be balanced in order to avoid acceleration as a consequence of Newton's Second Law of motion. Therefore, the correction in this case will be:

<u>A. The applied force should be the same size as the friction force</u>

7 0
3 years ago
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