How do you call a number of waves that pass a given point in a specific time, commonly one second.

Answers

Answer 1

Answer: That's the "frequency" of the wave.

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The Milky Way is a _____ galaxy. cluster barred spiral irregular elliptical group

Answers

The least common shape for a galaxy iscluster. Galaxy, by definition, is an arrangement composing of stars, planets,gasses and everything more that can be seen in the space. There are three typesof galaxies and they are elliptical, spiral and irregular. Spherical could beapplicable as elliptical if you got to choose only one on the choices above.Example of spiral galaxy is the Milky Way galaxy where our Solar system iscurrently located according to the scientists. The considered satellite forMilky Way is letter D: Copernican Dwarf Elliptical or Sagittarius CopernicanDwarf Elliptical.

The Milky Way is a _____ galaxy.

cluster
barred spiral
irregular
elliptical
a group

Answer: The Milky Way is a BARRED SPIRAL galaxy.

A student want to see what floats better a 1 pound piece of wood with a density of 0.90g/ml or a 10 pound piece of wood with a density 0.90g/ml explain your reasoning

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The buoyancy of an object depends on its density relative to the density of the fluid it's placed in, typically water in everyday scenarios. When an object is placed in a fluid (like water), it will float if its average density is less than that of the fluid. In other words, if the object is less dense than the fluid, it will float.

In this case, both pieces of wood have the same density of 0.90 grams per milliliter (g/ml), which is less dense than water. Therefore, both the 1-pound piece of wood and the 10-pound piece of wood will float in water.

However, it's important to note that the buoyant force acting on these objects will be the same for a given volume of wood because they have the same density.

The 10-pound piece of wood will displace more water (have a larger volume) to support its weight, while the 1-pound piece of wood will displace less water (have a smaller volume) to support its weight. The 10-pound piece of wood will have more of its volume submerged compared to the 1-pound piece due to the weight difference, but both will float.

Do electromagnetic waves travel through a medium

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No, they actually travel through the vacuum of outer space, but it also requires the absence of a material sedium.

A rock falls off the edge of a cliff and strikes the ground after 3.8 s. What is the height of the cliff? Assume air resistance is negligible.

Answers

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Use the formula:
h = vo*t - (1/2)gt^2

Since the rock experiences freefall, initial velocity (vo) is zero:
h = -(1/2)gt^2

Substitute:
h = -(1/2)(-9.8)(3.8^2)
h = 70.756

How to covert ma into amphere?

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1 ampere = 1,000 milliamperes

1 A = 1,000 mA

To calculate the number of Amperes, divide the number of milliamperes by 1,000.

Question 17 ListenA blue lab cart is traveling west on a track when it collides with and sticks to a red lab cart traveling east. The magnitude of the momentum of the blue cart before the collision is 2.0 kilogram • meters per second, and the magnitude of the momentum of the red cart before the collision is 3.0 kilogram • meters per second. The magnitude of the total momentum of the two carts after the collision is1.0 kg • m/s2.0 kg • m/s3.0 kg • m/s5.0 kg • m/s