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Mrrafil [7]
3 years ago
5

Under specific circumstances, waves will bend around obstacles. This type of bending is called

Physics
1 answer:
BartSMP [9]3 years ago
6 0
That type of bending is called "diffraction" of waves.
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place the compass at one pole of the bar magnet click flip polarity in the menu what happens to the bar magnet and the compass n
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The two poles of the bar magnet change positions. The compass needle spins a half circle.

Explanation:

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consider the photoelectric effect experiment. in one experiment yellow light shines on a piece of potassium metal. a current is
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Explanation:

If the intensity of the yellow light increased, meaning more photons will strike the Potassium metal per unit area. This will cause more ejection of electrons from the metal and hence, the strength of current will also increase as we know that

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a ball is thrown striaght up in the air and then falls back to earth. if the downward fall takes 2.2s, how fast is the ball trav
lapo4ka [179]

The velocity of the ball when it strikes the ground, given the data is 21.56 m/s

<h3>Data obtained from the question</h3>

From the question given above, the following data were obtained:

  • Time to reach ground from maximum height (t) = 2.2 s
  • Initial velocity (u) = 0 m/s
  • Acceleration due to gravity (g) = 9.8 m/s²
  • Final velocity (v) =?

<h3>How to determine the velocity when the ball strikes the ground</h3>

The velocity of the ball when it strikes the ground can be obtained as illustrated below:

v = u + gt

v = 0 + (9.8 × 2.2)

v = 0 + 21.56

v = 21.56 m/s

Thus, the velocity of the ball when it strikes the ground is 21.56 m/s

Learn more about motion under gravity:

brainly.com/question/22719691

#SPJ1

5 0
2 years ago
Define gravitational field
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"the field of force surrounding a body of finite mass in which anotherbody would experience an attractive force that is proportional to theproduct of the masses and inversely proportional to the square of thedistance between <span>them."


</span>
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we drive a distance of 1 kilometer at 18 km/h. then we drive an additional distance of 1 kilometer at 40 km/h. what is our avera
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Total distance/ total time
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