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allochka39001 [22]

3 years ago

10

What is the ‘runaway greenhouse effect’ produced by Venus’s atmosphere?

1 answer:

Pavlova-9 [17]3 years ago

5 0

Runaway greenhouse effect is a process in which a net positive feedback between surface temperature and atmospheric opacity increases the strength of the greenhouse effect on a planet until its oceans boil away. An example of this is believed to have happened in the early history of Venus.

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Which of the following terms refers to the flow of energy heat and work?

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a . thermodynamics

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4 years ago

Find the magnitude of the electric field at a point 0.35 m to the right of a sphere of a charge of 1.20×10^−6 C.

frozen [14]

https://mrsstowell.weebly.com/uploads/5/1/4/6/51460659/hsav_riverdale.k12.wi.us_20160330_092123.pdf

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3 years ago

Lightning flashed, and after 7 seconds there was a roll of thunder. To the nearest meter, determine how far lightning flashed fr

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Let’s come back to the equation of SPEED OF AN ECHO
SPEED =2XDISTANCE/ TIME
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Hope you will get it right

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3 years ago

What organisms only survive in the wild or nature

andrezito [222]

Only certain organizations survive in the wild or nature,....

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4 years ago

a block of mass m slides along a frictionless track with speed vm. It collides with a stationary block of mass M. Find an expres

shusha [124]

Answer:

Part a) When collision is perfectly inelastic

$v_m = \frac{m + M}{m} \sqrt{5Rg}$

Part b) When collision is perfectly elastic

$v_m = \frac{m + M}{2m}\sqrt{5Rg}$

Explanation:

Part a)

As we know that collision is perfectly inelastic

so here we will have

$mv_m = (m + M)v$

so we have

$v = \frac{mv_m}{m + M}$

now we know that in order to complete the circle we will have

$v = \sqrt{5Rg}$

$\frac{mv_m}{m + M} = \sqrt{5Rg}$

now we have

$v_m = \frac{m + M}{m} \sqrt{5Rg}$

Part b)

Now we know that collision is perfectly elastic

so we will have

$v = \frac{2mv_m}{m + M}$

now we have

$\sqrt{5Rg} = \frac{2mv_m}{m + M}$

$v_m = \frac{m + M}{2m}\sqrt{5Rg}$

6 0

4 years ago