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anastassius [24]
3 years ago
6

Seeing how strong our gravitational pull is here on Earth, would it be possible to kill someone if you drop a penny off the Empi

re State building?
Physics
1 answer:
nadezda [96]3 years ago
4 0
That's an urban legend that's been around for a long time.
It was tested on "Mythbusters".  The conclusion was that
it would sting pretty good, and maybe raise a lump, but
it would never penetrate the skull, and it couldn't kill.
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Is Radioactive decay a way to find the relative age of a rock?<br><br> True<br> False
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3 years ago
How long has eggs been around
Paraphin [41]

Answer:

About six million years

Explanation:

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5 0
3 years ago
A tennis ball bounces on the floor three times. If each time it loses 11% of its energy due to heating, how high does it rise af
aalyn [17]

Answer:

h = 3.10 m

Explanation:

As we know that after each bounce it will lose its 11% of energy

So remaining energy after each bounce is 89%

so let say its initial energy is E

so after first bounce the energy is

E_1 = 0.89 E

after 2nd bounce the energy is

E_2 = 0.89(0.89 E)

After third bounce the energy is

E_3 = (0.89)(0.89)(0.89)E

here initial energy is given as

E = mgH_o

now let say final height is "h" so after third bounce the energy is given as

E_3 = mgh

now from above equation we have

mgh = (0.89)(0.89)(0.89)(mgH)

h = 0.705H

h = 0.705(4.4 m)

h = 3.10 m

3 0
3 years ago
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