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grigory [225]
2 years ago
7

Why do areas with low altitude have warmer air than areas with high altitude

Physics
1 answer:
barxatty [35]2 years ago
6 0

Answer:

Air at higher altitude is under less pressure than air at lower altitude because there is less weight of air above it, so it expands (and cools), while air at lower altitude is under more pressure so it contracts (and heats up).

Explanation:

Hope that helped

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2 objects have a total momentum of 400kg m/s, they collide. Object A’s mass is5kg & object B’s mass is 11kg. After the colli
ss7ja [257]

Answer:

Explanation:

We shall apply law of conservation of momentum .

Momentum before collision = momentum after collision .

Momentum before collision = 400 kg m/s

Momentum after collision = 5  x v + 11 x 15

where v is velocity of A after the collision .

5  x v + 11 x 15 = 400

5 v = 400 - 165

5v = 235

v = 47 m /s .

3 0
3 years ago
Which is an example of an abiotic factor in a pound environment
zvonat [6]
A. The water

Biotic factors mean living this such as frogs, grasshoppers, snakes, etc.

Aboriginal factors means non-living such as water, temperature, sunlight, etc.
Abiotic factors are the non-living parts of the environment that have a major influence on living organisms which makes water an abiotic factor.

Hope this helped, if it did please like (if you want to :)
4 0
3 years ago
Read 2 more answers
You are walking down a straight path in a park and notice there is another person walking some distance ahead of you. The distan
Setler79 [48]

Answer:

25.52 m

Explanation:

Relative speed between the person and I would be the difference of our speeds

v_r=2.85-1.09=1.76\ m/s

Time taken by me to walk up to the person = 14.5 s

Distance is given by

Distance=Speed\times Time\\\Rightarrow s=vt\\\Rightarrow s=1.76\times 14.5\\\Rightarrow s=25.52\ m

The person was 25.52 m ahead of me when I started running

5 0
3 years ago
If the index of refraction for a certain glass is 1.5, and the angle of refraction is 15 degrees for a ray of light
LiRa [457]

Answer:

\theta_i = 23^o

Explanation:

The refractive index of a medium is given by the following formula:

\eta = \frac{Sin\theta_i}{Sin\theta_r}

where,

η = refractive index = 1.5

\theta_i = angle of incidence = ?

\theta_r = angle of refraction = 15°

Therefore,

1.5 = \frac{Sin\theta_i}{Sin15^o}\\\\Sin\theta_i=(1.5)Sin15^o\\\\\theta_i = Sin^{-1}(0.388)\\\\

\theta_i = 23^o

4 0
3 years ago
An archer pulls back the string of a bow to release an arrow at a target. Which kind of potential energy is transformed to cause
Ugo [173]
Elastic Potential Energy because the elasticity in the string stores up the energy.
3 0
3 years ago
Read 2 more answers
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