3 years ago

Why are temperature variations greater over land than they are over water?

Physics

1 answer:

Stells [14]3 years ago

5 0

Because over land they wont be cooled by the water, and the deeper water is, the colder it is.

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The CERN particle accelerator is circular with a circumference of 7.0 km.

Contact [7]

Answer:

$a_c=2.0196\times 10^{13}\ m/s^2$

$F=3.37273\times 10^{-14}\ N$

Explanation:

m = Mass of proton = $1.67\times 10^{-27}\ kg$

v = Speed of proton = 0.5c = $0.5\times 3\times 10^8=1.5\times 10^8\ m/s$

Circumference of the colider is 7 km

$P=2\pi r\\\Rightarrow r=\frac{P}{2\pi}\\\Rightarrow r=\frac{7000}{2\pi}\ m$

$a_c=\frac{v^2}{r}\\\Rightarrow a_c=\frac{\left(1.5\times 10^8\right)^2}{\frac{7000}{2\pi}}\\\Rightarrow a_c=2.0196\times 10^{13}\ m/s^2$

Centripetal acceleration is $2.0196\times 10^{13}\ m/s^2$

$F_c=ma_c\\\Rightarrow F_c=1.67\times 10^{-27}\times 2.0196\times 10^{13}\\\Rightarrow F=3.37273\times 10^{-14}\ N$

Force on protons is $3.37273\times 10^{-14}\ N$

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3 years ago

I really need help with this

katen-ka-za [31]

C is the correct answer, because energy cannot be created neither destroy. The energy is changing from chemical to from electric to light, and from light to heat.

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The new deal helped fix the economy but was not the perfect solution

Roman55 [17]

you will find your answer through this link

https://www.britannica.com/event/New-Deal

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2 years ago

What do fuel cells, batteries and, solar cells have in common A.the all produce static electricity B. they are all sources of di

Vaselesa [24]

The correct answer is B :)

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Describe the point at which the kinetic energy of the pendulum is the highest

Arlecino [84]

The highest point of the pendulums swing is when the potential energy is at its highest and the kinetic energy is at its lowest.

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