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dusya [7]
3 years ago
11

Help I need help with this

Physics
1 answer:
igomit [66]3 years ago
3 0

Answer:

8 meters per second

Explanation:

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What are the factors that effect the strength of a frictional force???
seropon [69]

If you write down the formula for friction, you will get an answer.

Ff = u * N               Where N is a push down force that an object experiences.

                              u (mu) is a constant and has no units

It may not be accelerating and still experience friction. A is not correct.

Color and Density will not affect the frictional force. B is not so.

Buoyant forces are a different thing altogether. Generally friction has nothing to do with them. C is incorrect.

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5 0
3 years ago
Explain what happens to the pitch of a cell phone ringing when the amplitude of a sound wave increases.
rewona [7]
As the amplitude of a sound wave increases the pitch of the ringing would be much higher (like if you were to inhale helium.. just with a phone)
3 0
3 years ago
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The mussels are not native to the lakes, and they have begun to kill native mussels by attaching to them and covering them up. T
Tanya [424]
The zebra mussels are an invasive species
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3 years ago
Determine the gain in the potential energy when a 8.0 kg box is raised 17.2 m.
Marysya12 [62]

Answer:

<h2>The answer is 1376 J</h2>

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 10 m/s²

From the question we have

PE = 8 × 10 × 17.2

We have the final answer as

<h3>1376 J</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
Select the correct answer
Rasek [7]

Answer:

I would say the net force acting on the car is in the opposite direction of the car's motion  is correct

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2 years ago
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