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kenny6666 [7]
3 years ago
12

Describe all the differences you can think of between light waves, sound waves, or water waves.

Physics
1 answer:
maria [59]3 years ago
7 0
Sound waves, light waves, water waves sound nothing alike
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A cart is pushed and undergoes a certain acceleration. Consider how the acceleration would compare if it were pushed with twice
WINSTONCH [101]

Answer:

If the cart is pushed with twice the net force while its mass increases by four, its acceleration would be half the other acceleration.

Explanation:

Newton's second law relates the force (F) applied to an object with its acceleration (a) in the next way:

a=\frac{F}{m} (1), with m the mass of the object (the cart in our case)

Note that the acceleration is directly proportional to the force applied and inversely proportional to the mass of the object, that means if we let m constant and increase the force the acceleration will increase too, and if we let F constant and increase m the acceleration will decrease, but if we increase the two quantities at the same time, we should analyze mathematically the situation to observe better the behavior of the acceleration. If F_{1}=2F and m_{1} = 4m the acceleration by Newton’s second law is now:

a_{1}=\frac{F_{1}}{m_{1}}=\frac{2F}{4m}=\frac{1}{2}(\frac{F}{m})=\frac{a}{2}

Note that a_{1} = \frac{a}{2} so the acceleration would be half the initial acceleration

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3 years ago
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they are :

Explanation:

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Why Is It Hard For Electrons To Move Through An Insulator
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An insulator is not a good source for heat or electricity to move through.  Wood is an example of an insulator. The opposite of insulator is conductor.  An example of a conductor is metal.
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Which of the following always occurs when a light ray reflects off a mirror? A.the speed of the light ray increases B. The direc
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No no no no none no Neverland

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