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vladimir1956 [14]
3 years ago
7

What is the speed of light and sound? Which one is faster?

Physics
2 answers:
aalyn [17]3 years ago
6 0
The speed of light is when light travels around the earth in orbit and sound is the vibration of it going through material light is faster than sound because it takes a second just to travel around everything
meriva3 years ago
4 0
The speed of light: 299,782,458 m / s
The speed of sound: 340.29 m / s

Light is faster
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In the article, what is the result of the conflict between the American public and the U.S. Food and Drug Administration (FDA)?
user100 [1]

Food and drug administration (FDA) is used for protecting the public health in safety, security, drugs, biological products, and medicinal devices.

Explanation:

The U.S food and Drug Act  tells about the sale of misbranded or adulterated food and drugs in interstate commerce and had a foundation for the nation's first consumer protection agency.

The federal law is passed to establish the quality standards for foods, drugs and medical devices manufactured and sold in U.S.

This act has a new consumer protection against unlawful cosmetics and medical devices and enhances the government's ability to enforce the law. The main goal of FDA is to make food and drug safe for public consumption.

4 0
3 years ago
Contrary to popular belief, America is not a Democracy, it's a Chucktatorship. In order for Chuck to rule America, he must fly a
Leviafan [203]

Answer:

The plane's acceleration is 33.33 m/s²

Explanation:

The following equation relates velocity, v and acceleration of a moving body;

v = u + a·t

Where:

v = The final velocity of the body after time, t = 180 km/min

u = The initial velocity of the body just before the counting of the time = 0 m/s

a = The acceleration of the body during time, t = Required

t = The time of the motion = 1.5 minutes = 1.5×60 seconds = 90 s

v = 180 km/min = 180 km/min × 1000 m/km × 1/60 min/s = 3000 m/s

∴ 3000 m/s = 0 m/s + a × 90

a = \frac{3000 - 0 }{90}  = \frac{100}{3} = 33\tfrac{1}{3} \ m/s^2

Therefore, the plane's acceleration = 33.33 m/s².

5 0
4 years ago
A force of 120 N is applied to an object whose mass is 30 kg. The object's acceleration is:
Airida [17]

Answer:

C) 4.0 m/s²

Explanation:

Given data

  • Applied force (F): 120 Newton
  • Mass of the object (m): 30 kilograms
  • Acceleration of the object (a): to be determined

We can find the acceleration of the object using Newton's second law of motion.

F = m . a

a = F / m = 120 N / 30 kg = 4.0 m/s²

The acceleration of the object is 4.0 m/s².

8 0
3 years ago
Will UPVOTE ALL answers!
Vanyuwa [196]
<span>The best and most correct answer among the choices provided by the question is the second choice. The temperature of the substance is directly proportional to the average kinetic energy of the molecules. </span><span>I hope my answer has come to your help. God bless and have a nice day ahead!</span>
5 0
3 years ago
Read 2 more answers
What is the magnitude of the kinetic frictional force?<br> 25 N<br> 125 N<br> 375 N<br> 500 N
Firlakuza [10]

Answer:25N

Explanation:

3 0
4 years ago
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