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yKpoI14uk [10]
3 years ago
5

Suppose you throw a football upward. Is it true or wrong to say that you have not increased the internal energy of the air withi

n the football
Physics
1 answer:
Ahat [919]3 years ago
5 0
Wrong because the energy would decrese
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A student practicing for a track meet ran 250 m in 30 seconds. What was her average speed?
DochEvi [55]

Answer:

8.33 meters/sec.

Explanation:

distance = 250 meters

time = 30 sec.

velocity = distance / time

            = 250 meters

                   30 sec.

            = 8.33 meters/sec.

6 0
2 years ago
When a beam of charged particles moves through a magnetic field, what is the evidence that particles in the beam have momentum g
Vsevolod [243]

The charged particles are often deflated in a magnetic field.

<h3>What is a magnetic field?</h3>

The term charge refers to a positive or negative entity. The can be created when a charge is made to pass through a conductor in a magnetic field.

A magnetic field is created when we have a north pole and a south pole. The charged particles could be made to pass through the electric field and when that happens, we can see a pattern a shown in the image attached.

Thus, we can see that the charged particles are often deflated in a magnetic field.

Learn more about magnetic field:brainly.com/question/23096032

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4 0
1 year ago
When caring for wounds, doctors need to make sure wounds are not infected by bacteria. Which electromagnetic wave would doctors
musickatia [10]

Ultravoilent rays is an type of an electromegnetic wave with wavelength 10nm .Ultraviolet wave is used by doctors in order to keep the wounds away from bacteria.

<h3>What is ultravoilent wave ?</h3>

Ultravoilent rays is an type of an electromegnetic wave with wavelength 10nm. Ultravoilent wave is directly comes frim the sun. It is classified into the UV(A) , UV(B),UV(B).

Ultravoilet rays also effects the human eyes that s why sun glasses are used. The experiments here are compared and quantified to the effectiveness of the sunscreens with various strengths.

To learn more about the ultravoilent wave refr to the link;

brainly.com/question/19706211

5 0
2 years ago
Read 2 more answers
An object that covers more distance in the same amount of time has a higher speed.
DiKsa [7]

Answer:

true

Explanation:

5 0
2 years ago
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A man travels 15 km east before turning around and heading 5 km west. What is his displacement?
navik [9.2K]

Answer:

10 km East

Displacement is the shortest path between two points.

6 0
3 years ago
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