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castortr0y [4]
3 years ago
8

Write a hypothesis about the use of an object’s physical characteristics to determine its density. Use the format "if . . . then

. . . because . . .” and be sure to answer the lesson question "How can the density of an object be determined?” BE ORIGINAL AND SIMPLE
Physics
1 answer:
Ad libitum [116K]3 years ago
7 0

Answer:

If an object has a high density then the molicules making up that object are closly packed togeather. Because of this, objects with a higher density will have more mass than objects of the same size that have a lesser density.

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A middle-aged man typically has poorer hearing than a middle-aged woman. In one case a woman can just begin to hear a musical to
Dmitriy789 [7]

Answer:

4

Explanation:

I_0 = Threshold intensity for woman

I = Intensity of sound for man

\beta = Intensity level of sound = 6 dB

Intensity level of sound is given by

\beta=10log\dfrac{I}{I_0}\\\Rightarrow 6=10log\dfrac{I}{I_0}\\\Rightarrow \dfrac{6}{10}=log\dfrac{I}{I_0}\\\Rightarrow 10^{\dfrac{6}{10}}=\dfrac{I}{I_0}\\\Rightarrow \dfrac{I}{I_0}=10^{\dfrac{6}{10}}\\\Rightarrow \dfrac{I}{I_0}=10^{0.6}\\\Rightarrow \dfrac{I}{I_0}=3.98\approx 4

The ratio is 4

8 0
3 years ago
An electric field of 710,000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of
Anni [7]

Answer:

The magnitude of force is 4.26\times 10^{- 6} N

Solution:

As per the question:

The strength of Electric field due west at a certain point, \vec{E_{w}} = 710,000 N/C

Charge, Q = - 6 C

Now, the force acting on the charge Q in the electric field is given by:

\vec{F} = Q\vec{E_{w}}

\vec{F} = -6\times 710,000 = - 4.26\times 10^{- 6} N

Here, the negative sign indicates that the force acting is opposite in direction.

5 0
3 years ago
Mutations are always harmful. <br> true or false
masha68 [24]

Answer:

false

Explanation:

some can be harmful but not all

5 0
3 years ago
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What best decribes the science method
fiasKO [112]
Making prediction , hypothesis and guessing to see if it’s right , and leading
3 0
3 years ago
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Do you think that the universe has a starting point and ending point? explain.
Eddi Din [679]

Answer:

No

Explanation:

I don't think the universe has a starting and ending point because the universe is vast and has not been fully discovered. I think that the universe is endless because all of the stars, planets, and galaxy's have yet to be found and the end or start of the universe is also yet to be discovered so I think that the universe could go on forever.

3 0
3 years ago
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