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3 years ago

Why is climate change important? PLEASE HELP! GIVING BRAINLIEST!

Physics

1 answer:

12345 [234]3 years ago

4 0

Answer:

Because if we do nothing the artic will melt, ocean levels will rise and cause flooding, the earth will be extremely hotter, there will be more blackouts.

Explanation:

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What does it mean when the electronegativity between elements is 0?

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Electronegativity is a relative measure of how strongly an atom will attract the electrons in a bond

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3 years ago

What is the source of the electrical potentials recorded from the scalp of a human subject?

NeTakaya

The summated activity of nerve cell action potentials and postsynaptic potentials

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3 years ago

A projectile is shot on level ground with a

erastova [34]

Answer:

time rising = 34 / 9.8 = 3.47 sec

total time in air = 2 * 3.47 sec = 6.94 sec

(time rising must equal time falling)

R = 17 m/s * 6.94 s = 118 m

Can also use range formula

R = v^2 sin (2 theta) / g

tan theta = 34 / 17 = 2

theta = 63.4 deg

2 theta = 126.9 deg

sin 126.9 = .8

v^2 = 17^2 + 34^2 = 1445 m^2/s^2

R = 1445 * .8 / 9.8 = 118 m agreeing with answer found above

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3 years ago

If you weigh 660 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun an

Arada [10]

Answer:

8.93*10^13 N.

Explanation:

Assuming that in this case, the weight is just the the force exerted on you by the mass of the star, due to gravity, we can apply the Universal Law of Gravitation:

$F_{g}= \frac{G*m_{1}*m_{s}}{r_{s}^{2} }$

where, m1 = mass of the man = 660 N / 9.81 m/s^2 = 67.3 kg, ms = mass of the star = 1.99*10^30 kg, G= Universal Constant of Gravitation, and rs= radius of the star = 10.0 km. = 10^4 m.
Replacing by the values, we get:

$F_{g}= \frac{6.67e-11Nm^2/kg^2*1.99e30 kg*67.3 kg}{10e4m^2} = 8.93e13 N$

Fg = 8.93*10^13 N.

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3 years ago

What was the 2nd deepest ship wreck that James Cameron visited (from WWII)?

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Answer: :) i think its the t

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3 years ago