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Mazyrski [523]
3 years ago
5

Compare and contrast light waves and sound waves

Physics
1 answer:
Naddika [18.5K]3 years ago
4 0
The difference between light waves and sound waves are that sound waves travel faster than light wave and have a frequency range while light waves have a to me range.
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12 POINTS PLEASE HELP.
bazaltina [42]
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4 years ago
At which point does the planet have the least gravitational force acting on it?
Elza [17]

Answer:

At which point does the planet have the least gravitational force acting on it?

Explanation:

In an elliptical orbit, when a planet is at its furthest point from the Sun, it is under the least amount of gravity, meaning that the force of gravity is strongest when it is closest.

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3 years ago
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Static electric fields are caused by charged particles. What characterizes a positively charged particle?
sergeinik [125]

Static electric fields are caused by charged particles when the atoms which compose the particle will have the same number of electrons as protons.

Each point in space has an electric field associated with it when the charge of any kind is present. The value of E, often known as the electric field strength, electric field intensity, or just the electric field, expresses the strength and direction of the electric field.

Both the electromagnetic wave produced by a radio broadcast monopole antenna and the field created in the dielectric of a parallel-plate capacitor are examples of electric fields (which create a time-varying field). Every place in space where a charge, regardless of its shape, is present is said to have an electric field, which is an electric attribute. The electric field's equation is given as E = F / Q.

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8 0
2 years ago
A toy car has a 1.5-A current, and its resistance is 2 . How much voltage does the car require?
oee [108]

Voltage = (current) x (resistance)

Voltage = (1.5 A) x (2 ohms)

In order to MAKE 1.5 A of current flow through the toy car, you have to PROVIDE <em>3 volts</em> from the battery.

8 0
4 years ago
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1) A force of 20 Newton acts on a bar having a cross sectional area of 0.8m^2 and length 10cm.calculate the stress developed in
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Answer:25N/M^2

Explanation:

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Stress=20/0.8

Stress=25N/M^2

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4 years ago
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