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Rzqust [24]
3 years ago
5

What wave property is shown

Physics
2 answers:
pantera1 [17]3 years ago
8 0

Answer:

The answer is Refraction

Lena [83]3 years ago
5 0

Answer:

Refraction.

Explanation:

Refraction is where lighwaves are bent. your eye assumes that the object is where the light ray is coming from when it actually bent to come at your eye from that angle this is why straws appear slightly out of place in water.

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The part of a standing wave where there is complete destructive interference is known as a(n)
Alisiya [41]
Crest is the answer
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3 years ago
Which of the following is not an essential component of a laser?
Vinil7 [7]
A converging lens is NOT an essential component of a laser.
7 0
3 years ago
Four identical metallic objects carry the following charges 1.82 6.65 4.80 and 9.30 C The objects are brought simultaneously int
GuDViN [60]

Answer:

a) 5.64 C

b) 3.5*10¹⁹ protons

Explanation:

a)

  • Since the four metallic objects are identical, and total charge must be conserved, this means that after brought simultaneously into contact so that each touches the others, once separated, total charge must be the same than before being brought in contact.
  • But due they are identical, after charges were able to transfer freely between them, the four objects must have the same final charge, i.e. the fourth part of the total charge, as follows:

       Q_{n} = \frac{Q_{tot}}{4} = \frac{22.57C}{4} = 5.64 C  (1)

b)

  • This charge will be divided between n protons, since the charge is positive.
  • Since each proton carries a charge equal to the elementary charge e, which value is 1.6*10⁻¹⁹ C, we can find the number of protons in excess, doing the following calculation:
  • n_{p} =\frac{Q_{n}}{e} = \frac{5.64C}{1.6e-19C} = 3.5 e19 C (2)

7 0
3 years ago
Bumper car A (281 kg) moving
solmaris [256]

use consevation of linear momentum

  • m1v1+m2v2=(M1+M2)V3
  • 281(2.82)+209(-1.72)=(209+281)V2
  • 792.42-359.48=490v3
  • 432.9=490v3
  • V3=0.88m/s
4 0
2 years ago
Two identical cars are driving in opposite directions at the same speed. Their kinetic energies have _______________.
Viktor [21]

Answer: The right answer is c.

Explanation:

The kinetic energy is defined as follows:

K = 1/2 mv²

If both cars are identical, this means that they have the same mass.

Also, we are told that the speed is also the same for both cars.

If they are going in opposite directions, their velocities have the same magnitude, but opposite signs.

But even though they have different signs, the square (which is the parameter relevant for kinetic energy calculations), is always positive, as any number, elevated to an even power, is positive.

So, we conclude that both cars have the same kinetic energy, in magnitude and in sign.

7 0
4 years ago
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