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3 years ago

14

URGENT PLEASE HELP!!!

2 answers:

Citrus2011 [14]3 years ago

8 0

Somebody makes a claim that the show might be a hit. The run it out looking for people, which is a control group. They gather evidence that people are actually interested in the show. Then the person who made the claim used reasoning to persuade potential directors and producers.

Hope this helps you out!!:)))

ludmilkaskok [199]3 years ago

3 0

Through your TV.

If you are watching your favorite TV show in YOUR living room, then the station the show is on, or the channel you changed to, has it on your TV.

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Which set of terms represent mechanical waves?

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Energy that transfers through the medium

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4 years ago

A skydiver jumps out of a plane. How fast would he be falling after 5 seconds? (ignore air resistance)

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9.8 times 5?

Explanation:

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3 years ago

The properties of each state of a substance are due largely to the degree (amount) of intermolecular bonding. True False

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3 years ago

A particular person's eardrum is circular, with a diameter of 7.90 mm. How much sound energy (in J) is delivered to an eardrum i

antiseptic1488 [7]

Answer:

$4.90167\times 10^{-17}\ J$

Explanation:

I = Hearing intensity = $1\times 10^{-12}\ W/m^2$

A = Area = $\pi r^2$

d = Diameter = 7.9 mm

r = Radius = $\dfrac{d}{2}=\dfrac{7.9}{2}=3.95\ mm$

Power is given by

$P=IA\\\Rightarrow P=1\times 10^{-12}\times \pi \times (3.95\times 10^{-3})^2\\\Rightarrow P=4.90167\times 10^{-17}\ W$

t = Time the eardrum is exposed to sound = 1 second

Energy is given by

$E=Pt\\\Rightarrow E=4.90167\times 10^{-17}\times 1\\\Rightarrow E=4.90167\times 10^{-17}\ J$

The energy transferred to the eardrum is $4.90167\times 10^{-17}\ J$

3 0

3 years ago

Read 2 more answers