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3 years ago

If a tree falls in the middle of the woods and nobody is around to hear it, does it make a sound?

Physics

2 answers:

solong [7]3 years ago

7 0

Yes, everything falling will make a sound unless it is air.

Pavlova-9 [17]3 years ago

6 0

Yes because even if WE couldn't hear it, the tree still makes a sound itself since its hitting the ground with its weight, it makes a dropping noise, animals could still hear it as well, but if nothing is around it, it still makes noise, its just the sound doesn't travel fast/big enough for us to hear it from long distance.

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true or false, based on the color of the particles, a mixture can be classified as a solution, a suspension, or a colloid

expeople1 [14]

False, you pass a light through a mixture If the light bounces off the particles, you will see the light shine through and you have a colloid mixture

6 0

3 years ago

Which is greater, the force exerted by the Earth on the Sun, or the force exerted by the Sun on the Earth? Why?

LekaFEV [45]

Answer:

There is no great force, the force exerted by the Earth on the Sun, and the force exerted by the Sun on the Earth are equal

Explanation:

By definition...

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2 years ago

A soccer player applies a force of 48.4 N to a soccer ball while kicking it. If the ball has

AlekseyPX

Answer:

C. 110 m/s2

Explanation:

Force = Mass x Acceleration

Since we have the force and the mass, we can rearrange this equation to solve for acceleration by dividing both sides by mass:

Force/Mass = (Mass x Acceleration)/Mass

Acceleration = Force/Mass

Now we just have to plug in our values and calculate!

Acceleration = 48.4/0.44

Acceleration = 110m/s/s

It is option C. 110 m/s2

Hope this helped!

6 0

3 years ago

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An electric current is flowing through a long cylindrical conductor with radius a. The current density J is uniform in the cylin

RUDIKE [14]

Answer:

Check the explanation

Explanation:

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3 years ago

A box of mass 3.1kg slides down a rough vertical wall. The gravitational force on the box is 30N . When the box reaches a speed

Tems11 [23]

Answer:

The box will be moving at 0.45m/s. The solution to this problem requires the knowledge and application of newtons second law of motion and the knowledge of linear motion. The vertical component of the force Fp acts vertically upwards against the directio of motion. This causes a constant upward force of 23sin45° to act on the box. Fhe frictional force of 13N also acts vertically upwards and so two forces act upwards against rhe force of gravity resulting un a net force of 0.7N acting kn the box. This corresponds to an acceleration of 0.225m/s². So in w.0s after i start to push v = 0.45m/s.

Explanation:

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3 years ago

Read 2 more answers