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Jobisdone [24]
3 years ago
10

Using the information given in this description, explain whether the pulse will reflect as a trough or a crest under the followi

ng conditions.
At boundary A, the reflected pulse will be a _____.​
Physics
1 answer:
loris [4]3 years ago
7 0

Answer:

jesus

Explanation:

For God so loved the world that He gave his one and only Son, that whoever believes in Him shall not perish but have eternal life." "As a mother comforts her child, so I will comfort you; in Jerusalem you shall find your comfort." "Then shall the righteous shine forth as the sun in the kingdom of the Father.

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A car with a momentum of 1200 kg.m/s with a mass of 600 kg hit a trash can which was on the side of the road,If the mass of tras
GuDViN [60]
Speaking that the trash can absorb the momentum. It only should go 5
4 0
3 years ago
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A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of 15 N · m. What is the angle (assumed to
o-na [289]

Answer:

angle = 18.40 degree

Explanation:

given data

force = 95 N

distance = 0.50 m

torque = 15 N · m

to find out

angle between the wrench handle and the direction of the applied force

solution

we will apply here torque equation that is express as

torque =  distance × force × sin(θ)   ...................1

put here value we will get angle that is

15 = 0.50 × 95 × sin(θ)

sin(θ) = 0.315789

θ = 18.40 degree

6 0
3 years ago
Read 2 more answers
Examine the information. A truck accelerates 3 km/h/s south. Which option correctly describes the truck’s acceleration?
Oksanka [162]

Answer:

d. Every second, the truck’s velocity increases by 3 km/h to the south.

Explanation:

Acelleration can be defined as change of velocity over change of time.

That's why if we say:  "A truck accelerates 3 km/h/s south."

We are saying that the acceleration of the truck variate 3Km/h wich is  velocity of the truck, and it variates every second and also its direction is south.

6 0
3 years ago
A current exists whenever electric charges move. If ΔQ is the net charge that passes through a surface during a time period Δt,
jeka57 [31]

Answer:

It represents the change in charge Q from time t = a to t = b

Explanation:

As given in the question the current is defined as the derivative of charge.

                                  I(t) = dQ(t)/dt ..... (i)

But if we take the inegral of the equation (i) for the time interval  from t=a to

t =b we get

                                   Q =∫_a^b▒〖I(t)  〗 dt

which shows the change in charge Q from time t = a to t = b. Form here we can say that, change in charge is defiend as the integral of current for specific interval of time.

5 0
4 years ago
The speed of light in cubic zirconia
schepotkina [342]

The index of refraction for the cubic zirconia at the given speed of light is 2.16.

The given parameters:

  • <em>Speed of light in Cubic zirconia, v = 1.39 x 10⁸ m/s</em>
  • <em>Speed of light in air, c = 3.0 x 10⁸ m/s.</em>

The index of refraction for the cubic zirconia is the ratio of the speed of light in air to speed of light in cubic zirconia and it is calculated as follows;

\eta = \frac{c}{v} \\\\\eta = \frac{3\times 10^8}{1.39 \times 10^8} \\\\\eta = 2.16

Thus, the index of refraction for the cubic zirconia at the given speed of light is 2.16.

Learn more about index of refraction here: brainly.com/question/10729741

6 0
3 years ago
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