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3 years ago

What are 3 wave properties?

2 answers:

8 0

Amplitude: the height of the wave
wavelenght: the distance betweeen adjacent crests
period: the time it takes for one complete wave to pass a given point

Dmitrij [34]3 years ago

4 0

The three wave properties include:
Amplitude, height of the wave measured in meters.

Wavelength, the distance measured between crests, measured in meters.

Period, the time it takes for the wave to finish it's cycle, measured in seconds.

Hope this is the answer you were looking for and that it helps!! :)

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A bucket of water with total mass 23 kg is attached to a rope, which in turn is wound around a 0.050-m radius pulley at the top

adoni [48]

Answer:

$I = 0.083 kg m^2$

Explanation:

Mass of the bucket, m = 23 kg

Radius of the pulley, r = 0.050 m

The bucket is released from rest, u = 0 m/s

The time taken to fall, t = 2 s

Speed, v = 8.0 m/s

Moment of Inertia of the pulley, I = ?

Using the equation of motion:

v = u + at

8 = 0 + 2a

a = 8/2

a = 4 m/s²

The relationship between the linear and angular accelerations is given by the equation:

$a = \alpha r$

Angular acceleration, $\alpha = a/r$

$\alpha = 4/0.050\\\alpha = 80 rad/s^2$

Since the bucket is falling, it can be modeled by the equation:

mg - T = ma

T = mg - ma = m(g-a)

T = 23(9.8 - 4)

The tension, T = 133.4 N

The equation for the pulley can be modeled by:

$T* r = I * \alpha\\133.4 * 0.050 = I * 80\\6.67 = 80 I\\I = 6.67/80\\I = 0.083 kg m^2$

6 0

3 years ago

Your goal is to accelerate the particles to kinetic energy k. what minimum radius r of the cyclotron is required?

densk [106]

Considering the magnetic force is providing the centripetal force,
we get, mv^2/r = qvB
so, r = mv/qB

as the Kinetic energy, K of the particle is given by.5mv^2
so, v = sqrt(2K/m)
substituting the in radius equation,
<span>r = m*sqrt(2K/m)/qB

r = sqrt(2Km)/qB</span>

4 0

4 years ago

What building materials do you believe would work well to build a home in that area? Explain why you chose these materials.

Luden [163]

Depends on what the area is. If it’s a rural place, Wood is cheep & easy to build. If there’s a lot of corrosion, strong weather/hurricane, bricks.

8 0

4 years ago

Explain why the reflection of light off ground glass changes from diffuse to specular if you spill water on it

Basile [38]

Because when you spill water on it, the reflection comes from the surface of the water, not the ground glass.

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3 years ago

What is the potential energy of a 1000 kg-ball that is on the ground?

Kazeer [188]

Answer:

Explanation:

PE=mgh

PE= 1000kgx9.8m/s^2x0m

PE = 0J

6 0

3 years ago