4 years ago

What is the farthest planet from earth?

Physics

1 answer:

IRINA_888 [86]4 years ago

7 0

The answer is pluto. just look it up

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Sophie [7]

Explanation:

speed : • how fast an object changes position

• miles per hour.

• distance/time.

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3 years ago

What best describes a sound wave? transverse and electromagnetic longitudinal and mechanical longitudinal and electromagnetic tr

GalinKa [24]

Sound needs medium to travel and it can not travel without medium

so sound wave is a travelling wave

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So all medium particles travel in the direction of wave only

so it is a longitudinal wave also

so correct answer will be

<em>mechanical longitudinal </em>

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4 years ago

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Tomtit [17]

Answer:

Kinetic Energy
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3 years ago

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A boy is pulling a cart by a force of 100N. The frictional force experienced by the cart is 20N. The force causing the motion of

Serga [27]

Answer:

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4 0

3 years ago

If the amplitude of a simple harmonic oscillator is doubled, by what factor does the total energy increase?

dybincka [34]

Answer:

c)by a factor of four

Explanation:

The total energy of a simple harmonic oscillator is given by

$E=\frac{1}{2}kA^2$

where

k is the spring constant of the oscillator

A is the amplitude of the motion

In this problem, the amplitude of the oscillator is doubled, so

A' = 2A

Therefore, the new total energy is

$E'=\frac{1}{2}k(2A)^2=4(\frac{1}{2}kA^2)=4E$

So, the total energy increases by a factor 4.

6 0

3 years ago