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4 years ago

Which of the following air conditions would be least likely to have precipitation 10 pts

Physics

1 answer:

Harrizon [31]4 years ago

5 0

Answer:

D. Cold, dry air

(Just took the quiz and got it right, hope this helps :3)

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Which of the following is a way in which earth material is returned to the surface?

kvv77 [185]

Answer:

Explanation:

soil

4 0

3 years ago

Read 2 more answers

A kid runs and slides down a slip-n-slide. Once the kid hits the slide they have 200N of friction force acting on them, and they

lutik1710 [3]

Mass (kg) = force (N) / acceleration (m/s).

200/2.5 = 80

7 0

3 years ago

X-rays with an energy of 301 keV undergo Compton scattering with a target. If the scattered X-rays are detected at 77.5^{\circ}

Alex73 [517]

Answer:

$6.03\cdot 10^{-12} m$

Explanation:

First of all, we need to find the initial wavelength of the photon.

We know that its energy is

$E=301 keV = 4.82\cdot 10^{-14}J$

So its wavelength is given by:

$\lambda = \frac{hc}{E}=\frac{(6.63\cdot 10^{-34} Js)(3\cdot 10^8 m/s)}{4.82\cdot 10^{-14} J}=4.13\cdot 10^{-12}m$

The formula for the Compton scattering is:

$\lambda' = \lambda +\frac{h}{mc}(1-cos \theta)$

where

$\lambda$ is the original wavelength

h is the Planck constant

m is the electron mass

c is the speed of light

$\theta=77.5^{\circ}$ is the angle of the scattered photon

Substituting, we find

$\lambda' = 4.13\cdot 10^{-12} m +\frac{6.63\cdot 10^{-34} Js)}{(9.11\cdot 10^{-31}kg)(3\cdot 10^8 m/s)}(1-cos 77.5^{\circ})=6.03\cdot 10^{-12} m$

7 0

3 years ago

What happened to the speed of light if it travels from air into glass?

vovikov84 [41]

Answer:

it slows down

Explanation:

the answer

8 0

3 years ago

How is shooting a shotgun related to newtons third law ? why does a rifle have less “kick” then a shotgun ?

Mazyrski [523]

Newton’s third law is a force is a push or pull that acts upon an object as a result of another object.. A shot gun when fired pulls back when a force (you pulling the trigger) is acted upon it. This is how it relates. A rifle has less kick than a shot gun because the rifle is smaller and has less of a force than a shot gun.

5 0

3 years ago