3 years ago

Use the picture to answer the question below-

Physics

1 answer:

stiv31 [10]3 years ago

6 0

I believe it’s the last one because they all look like the same height shortened wavelength

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A truck moving at 20 mph shoots a soccer ball at 20 mph in the opposite direction. How fast is the soccer ball moving? Explain

Brrunno [24]

Answer:

Speed of the soccer ball with respect to ground is ZERO

Explanation:

As we know that truck is moving with speed 20 mph

Now a soccer ball is shoot from truck with respect to the motion of truck in opposite direction

The relative speed of the soccer ball is

$v_{bt} = 20 mph$

now we know that

$v_{bt} = v_b - v_t$

so we have

$-20 mph = v_b - 20$

so we have

$v_b = 0$

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The net work done on a system moving to a stop, in magnitude, is equal:

Xelga [282]

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3 years ago

Earth orbits 1 AU from the Sun, and the Oort cloud extends from about 10,000 to 100,000 AU from the Sun. If you represent Earth’

sertanlavr [38]

Explanation:

Earth’s orbit around the Sun represented as :

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Therefore,

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100,000 AU = 400,000 / 63360 = 6.31 miles

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4 years ago