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Charra [1.4K]
3 years ago
9

Which of the following would NOT be considered an example or a demonstration of friction?

Physics
1 answer:
nirvana33 [79]3 years ago
3 0
A is the right answer
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7. When will an object's displacement and distance traveled be different?
mariarad [96]

If an object changes direction while travelling will an object's displacement and distance travelled be different.

Some people believe that distance and displacement are simply different names for the same quantity. However, distance and displacement are not the same thing. If an object changes direction while travelling, the total distance travelled is greater than the displacement between those two points.

The magnitude of the displacement is always less than or equal to the distance because it is measured along the shortest path between two points.

When the direction of displacement does not change, the magnitude of the displacement and distance are the same. When a body travels in a straight line, for example, its displacement and distance are the same.

Learn more about displacement and distance brainly.com/question/3243551

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8 0
2 years ago
What will an object weigh on the moon's surface if it weighs 190 n on earth's surface?
Greeley [361]
Turn your protracted to a 90 degree angle
3 0
3 years ago
The heart working with the blood vessels to pump blood is which body system?
LiRa [457]
I think it’s the cardiovascular system
6 0
3 years ago
4. The Mariana trench is in the Pacific Ocean and has a depth of approximately 11,000 m. The density of seawater is approximatel
Alex73 [517]

Explanation:

It is known that relation between pressure and density is as follows.

            P = \rho gh

where,    P = pressure

     \rho = density

            g = acceleration due to gravity

            h = height

Putting the given values into the above formula as follows.

              P = \rho gh

                 = 1025 \times 9.8 \times 11000

                 = 110495000 Pa

Now, relation between pressure and force is as follows.

                P = \frac{F}{A}

or,            F = PA

                F = 110495000 \times \pi \times (0.1)^{2}

                   = 3.47 \times 10^{6} N

Thus, we can conclude that a force of 3.47 \times 10^{6} N can be  experienced at such depth.

3 0
3 years ago
What happens to the bulb when the battery changes from 1.5V to 9v?
timofeeve [1]

Answer:

it gets brighter because the volta increases

4 0
3 years ago
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