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gizmo_the_mogwai [7]

3 years ago

9

Nick lives in area that has a south-facing slope. The temperature in his area is always high. Which of these abiotic factors is

responsible for high temperatures in Nick’s area?
A) nutrients
B) soil
C ) water
D) topography

2 answers:

Dimas [21]3 years ago

4 0

<span>D) topography is the answer
</span><span />

navik [9.2K]3 years ago

3 0

Answer : (D) topography

Explanation :

Nick lives in an area that has a south-facing slope. The temperature in his area is always high. This implies that Nick's place gets maximum sun rays.

Abiotic factors are the things or the conditions which affect our ecosystem or organisms in it.

Topography means the full description of any place. It is the study of the properties of land surfaces. So, the topography is responsible for high temperatures in Nick’s area

Out of the given options, correct one is (D) "topography".

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A. How long does it take light to travel through a 3.0-mm-thick piece of window glass?

hodyreva [135]

Answer:

a) $1.517\times10^{-11}$ s

b) 3.41 mm

Explanation:

a)

We take the speed of light, c = $3.0\times10^8$ m/s and the refractive index of glass as 1.517.

Speed = distance/time

Time = distance/speed

Refractive index, n = speed of light in vacuum / speed of light in medium

$n=\dfrac{c}{s}$

$s=\dfrac{c}{n}$

$t=\dfrac{d}{c/n}$

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b)

We take the refractive index of water as 1.333.

Speed in water = speed in vacuum / refractive index of water

Distance = speed * time

$d=s\times t$

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4 years ago

In April 1974, Steve Prefontaine completed a 10 km race in a time of 27 min, 43.6 s. Suppose "Pre" was at the 8.13 km mark at a

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Explanation:

Given

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total distance=10 km

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time taken=25 min =1500 s

initial speed $v_1=\frac{8.13\times 1000}{25\times 60}=5.6 m/s$

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$v_2=5.6+a\times 60$

distance traveled in 60 sec

$d_2=v_1\times 60+\frac{a60^2}{2}$

$d_2=336+1800 a$

time taken in last part of journey

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distance traveled in this time

$d_3=v_2\times t_3$

$d_3=\left ( 5.6+a\times 60\right )103.6$

and total distance $=d_1+d_2+d_3$

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