Two waves with amplitudes of 52 units and 98 units come together. Their amplitude, which is measured at a specific point and time, is 46 units. What wave behavior explains this value? A. destructive interference B. constructive interference C. refraction D. diffraction E. partial transmission

Answers

Answer 1

Answer:

Answer: A

destructive interference

Explanation: Interference involves coming together of two waves of the same type. E.g sound waves, water waves e.t.c

Whenever two waves of different amplitude interferes with one another and there is increase in amplitude, this is known as constructive interference.

But whenever there is decrease in amplitude as a result of interference of the two waves, this is known as destructive interference.

If Two waves with amplitudes of 52 units and 98 units come together. Their amplitude, which is measured at a specific point and time, is 46 units. The wave behavior that explains this value is destructive interference because of decrease in the units of amplitude.

Answer 2

Answer:

destructive interference

Explanation: Plato user

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Which stream has the greatest potential energy on the top: stream with steeper slope or stream with gentle slope?

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Answers

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A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc=22.3m/s and a 1500 kg pickup is traveling north toward the same intersection. The car and truck collide at the intersection and stick together. After the collision the wreckage (car and truck) moves off in a direction of 45.0 degrees above the x-axis. Determine the initial speed of the truck (in a/s)

Answers

Answer:

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Explanation:

Momentum is conserved in the north:

m₁ u₁ + m₂ u₂ = m₁ v₁ + m₂ v₂

After the collision, they stick together, so v₁ = v₂ = v.

m₁ u₁ + m₂ u₂ = (m₁ + m₂) v₂

(980 kg) (0 m/s) + (1500 kg) u = (980 kg + 1500 kg) vᵧ

1500 u = 2480 vᵧ

Momentum is conserved in the east:

m₁ u₁ + m₂ u₂ = (m₁ + m₂) v₂

(980 kg) (22.3 m/s) + (1500 kg) (0 m/s) = (980 kg + 1500 kg) vₓ

21854 = 2480 vₓ

vₓ = 8.81 m/s

The angle of v is 45.0°, so vᵧ = vₓ.

1500 u = 2480 (8.81 m/s)

u = 14.6 m/s

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Answers

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