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pentagon [3]
3 years ago
8

You are in a spaceship moving in a straight line at constant speed. You cannot see out of the ship. Assuming perfectly uniform m

otion, what can you do to prove you are moving?
Physics
1 answer:
Dimas [21]3 years ago
8 0

Answer:

There is no experiment to prove that you are in motion

Explanation:

A frame of reference which has constant velocity is known as an inertial frame of reference. Motion is relative. One can detect one's motion only when one observes change in position with respect to a fixed body.

Thus, if you are in a spaceship moving at a constant speed in a straight line and unable to look outside, you would not be able to prove that you are moving. Everything within the spaceship would have same speed. If you will throw any object within the spaceship, then the parameters measured by you would also not show that the spaceship is in motion.

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Which of the following explains why international travelers need to use special adapters when plugging a device designed to oper
Darina [25.2K]

Answer:

The answer is: The increased voltage causes an increase in power usage, and the device will over-heat.

Explanation:

First, we must consider the variables of the electrical system that will allow us to respond. In this case, power, current and voltage, which are related by

P=VI

Where P=Power, V=Voltage, I=Current.

In the equation it can be observed that power is directly proportional to the system voltage. Thus, if the voltage increases as in this case, the power will also increase, which overheats the device and can cause damage to it.

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3 years ago
Help!! If an atom has 7 protons and 8 neutrons, and is not in an excited state, how many electrons would Bohr say the atom has?
quester [9]
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How do the properties of an electromagnetic wave change as a result of increasing the period of the wave?
astra-53 [7]

Answer:

as the period decreases, the frequency and energy of the wave increase

Explanation:

Electromagnetic waves are oscillations of the electric and magnetic fields, described by maxwell's equations, the speed of the wave is called the speed of light

            c = λ f

            E = E cos (kx - wt)

Angular velocity is related to frequency and period.

           w = 2π f = 2π / T

Let's analyze what happens when the wave period decreases, angular velocity and frequency increase.

This increase in frequency is reflected with the Planck equation in wave energy

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Therefore the wave carries more energy and can lead to stronger interactions with matter.

In summary, as the period decreases, the frequency and energy of the wave increase

4 0
3 years ago
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Answer:

option a

Explanation:

<em>Th</em><em>e</em><em> </em><em>phase </em><em>of </em><em>matter </em>

<em><u>maybe </u></em><em><u>this</u></em><em><u> </u></em><em><u>might </u></em><em><u>help</u></em><em><u> </u></em><em><u>u</u></em>

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