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Dafna1 [17]
3 years ago
9

Gravity is a force. Gravity is also an example of __________________. . . A.. a theory. . B.. an established procedure. . C.. a

universal law. . D.. a scientific hypothesis
Physics
1 answer:
MissTica3 years ago
7 0
The correct answer to this question is C - Gravity is a force. Gravity is also an example of a universal law. Well, according to Isaac Newton, anyway. According to Newton's Law of Universal Gravitation, 'every point mass attracts every single point mass by a force pointing along the line intersecting both paths.'
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A sound wave with a waveenght of 2.5 meters traves 660 meters in 2 seconds calculate the frequemcy of the wave to cacuation the
finlep [7]

The frequency of the wave is 132 Hz

Explanation:

To calculate the speed of the wave, we can use the following formula:

v = \frac{d}{t}

where

d is the distance travelled by the wave

t is the time elapsed

For the sound wave in this problem, we have:

d = 660 m is the distance travelled

t = 2 s is the time interval considered

Substituting and solving for v, we find the speed of the sound wave:

v=\frac{660}{2}=330 m/s

Now we can calculate the frequency of the wave by using the wave equation:

v=f\lambda

where

v = 330 m/s is the speed of the wave

\lambda=2.5 m is the wavelength

f is the frequency

Solving for f, we find:

f=\frac{v}{\lambda}=\frac{330}{2.5}=132 Hz

Learn more about wavelength and frequency:

brainly.com/question/5354733

brainly.com/question/9077368

#LearnwithBrainly

7 0
3 years ago
Place several E-Field Sensors at a few points on different equipotential lines, and look at the relationship between the electri
Vlada [557]

Answer:

2.

Explanation:

  • If a charge is moved along a equipotential line, no work is done on the charge.
  • If we remember that the work done by an external force, is just the product of the component of the force parallel to the displacement, if the force produces no work, this means that is perpendicular to the displacement.
  • So, as the electric field is just the force per unit charge, and has the same direction as the force (for a positive charge), it must be perpendicular to any equipotential line.
  • As the electric field (by convention) has the same direction as it would be taken by a positive test charge, and positive charges move from higher voltages to lower ones, the electric field is directed toward lines of lower voltages (like it happens between the plates of a capacitor).
3 0
3 years ago
Whenever you push an object across a frictional surface, it starts out taking a lot of force to push to get the object moving. H
son4ous [18]

Answer:

The answer is A

Explanation:

Here's an example. A child is in school taking a test. They have made a mistake on a question, and want to erase it. The eraser is made out of a type of rubber, the rubber has friction, which means the eraser has something that's going to resist movement. Now the child has exerted enough force to get it moving, and it's moving, it won't stop unless the child stops exerting force to keep it moving. Both Newton's 1st and 3rd law explain the action of moving something on a surface with friction.

5 0
3 years ago
Buckingham and Clifton say most organizations are built on two flawed assumptions, which are
katrin2010 [14]

According to Buckingham and Clifton, most business organizations are built on these two (2) flawed assumptions:

1. Everyone can learn almost everything.

2. People's best room for growth is in the areas of weakness.

Marcus W. Buckingham is an English author, business consultant and motivational speaker who was born on the 11th of January, 1966 in High Wycombe, Buckinghamshire, England.

Donald O. Clifton was an American author, educator, psychologist, business entrepreneur and researcher who was born on the 5th of February, 1924 in  Butte, Nebraska‎, United States of America.

While studying as a student in Cambridge, Marcus W. Buckingham was recruited by Prof. Donald O. Clifton as an assistant in a research (survey) that was aimed at helping business organizations identify talents in various individuals, so as to effectively match them with the right job positions or roles.

In the book titled "Now, Discover Your Strengths" which was co-authored by both Buckingham and Clifton, most business organizations were said to be typically built on these two (2) flawed assumptions:

  • Everyone can learn to be competent in almost anything.
  • People's best (greatest) room for growth is in their areas of weakness.

However, the two (2) assumptions on which the world’s best managers operate include:

  • Each individual has an enduring and unique talent.
  • People's best (greatest) room for growth is in their areas of strength.

Read more: brainly.com/question/14217410

3 0
3 years ago
How are speed and velocity similar ?
Serhud [2]
I agree with you the answer is A

3 0
3 years ago
Read 2 more answers
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