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Serga [27]
3 years ago
14

I WILL GIVE BRAINLIEST TO THE BEST ANSWER

Physics
2 answers:
serg [7]3 years ago
8 0
1.
•lithosphere: “rock sphere” the ground you are standing on
•hydrosphere: “water sphere” all lakes, rivers, oceans of earth
•cryosphere: “icy cold sphere” frozen parts of earth (glaciers, icebergs, icecaps)
•biosphere: “life sphere” living things (humans, animals, plants, even viruses)
•atmosphere: “air sphere” air that surrounds the earth
•exo-/ celestial sphere: “outside or heavenly sphere” whole universe beyond the atmosphere (planets, stars, asteroids, dust/meteors)

2.
weather: conditions of the atmosphere within a short period of time

climate: conditions of atmosphere over a long period of time

3.
the place is for you to decide but factors can be:
nearness to water
mountainous? / elevation
nearness to the equator / latitude
vegetation
winds
nearness to the equator
latitude
elevation
vegetation
winds

4.
global warming: change in the earths climate that is causing it to heat up

greenhouse effect: natural process that is happening continuously due to sunlight and the atmosphere

5.
mount washington is a mountain meaning that the temperature is much colder and the winds are stronger (the mountain is in the way of the wind current)
the snow that falls in the winter also stays snow as the temperature is too cold for it to melt

the new hampshire sea coast on the other hand is next to a beach with very low elevation meaning that it is warmer, the water “resorbs” the sun rays which also makes it warmer
ella [17]3 years ago
6 0
1. lithosphere(land),hydrosphere(water),biosphere(living things)and atmosphere(air)

2. weather is what the conditions of the atmosphere are over a short period of time 
climate is how the atmosphere ¨behaves¨ over a relatively long period´s of time

3 <span>miami and the things that would  affect the climate are vegetation, nearby water, etc.

4. </span><span>The greenhouse effect is the name scientists have given to the Earth's ability to retain heat.
</span>
Global warming is an increase in the Earth's overall temperature, and scientists attribute this increase to the greenhouse 

5. <span>Standing at 6,288 feet, New Hampshire’s </span>Mount Washington<span> is the highest peak in the northeastern United States. Originally called </span>Agiocochook<span> by native Americans, the mountain boasts some of the planet’s </span>most severe weather.
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I need help with these. Please show workings<br>​
Sauron [17]

Answer:

Imp = 25 [kg*m/s]

v₂= 20 [m/s]

Explanation:

In order to solve these problems, we must use the principle of conservation of linear momentum or momentum.

1)

(m_{1}*v_{1})+(F*t)=(m_{1}*v_{2})

where:

m₁ = mass of the object = 5 [kg]

v₁ = initial velocity = 0 (initially at rest)

F = force = 5 [N]

t = time = 5 [s]

v₂ = velocity after the momentum [m/s]

(5*0) +(5*5) = (m_{1}*v_{2}) = Imp\\Imp = 25 [kg*m/s]

2)

(m_{1}*v_{1})+(F*t)=(m_{1}*v_{2})\\(0.075*0)+(30*0.05)=(0.075*v_{2})\\v_{2}=20 [m/s]

8 0
2 years ago
Read 2 more answers
A 72 kg skydiver can be modeled as a rectangular "box" with dimensions 21 cm × 41 cm × 170 cm . if he falls feet first, his drag
LuckyWell [14K]

Formula for terminal velocity is:


Vt = √(2mg/ρACd) 
<span>Vt = terminal velocity = ?
<span>m = mass of the falling object = 72 kg
<span>g = gravitational acceleration = 9.81 m/s^2
<span>Cd = drag coefficient = 0.80
<span>ρ = density of the fluid/gas = 1.2 kg/m^3</span>
<span>A = projected area of the object (feet first) = 0.21 m * 0.41 m = 0.0861 m^2

Therefore:</span></span></span></span></span>

Vt =  √(2 * 72 * 9.81 / 1.2 * 0.0861 * 0.80) 

<span>Vt = 130.73 m/s</span>

4 0
3 years ago
A swimmer of mass 64.38 kg is initially standing still at one end of a log of mass 237 kg which is floating at rest in water. He
nikklg [1K]

Answer:

0.9432 m/s

Explanation:

We are given;

Mass of swimmer;m_s = 64.38 kg

Mass of log; m_l = 237 kg

Velocity of swimmer; v_s = 3.472 m/s

Now, if we consider the first log and the swimmer as our system, then the force between the swimmer and the log and the log and the swimmer are internal forces. Thus, there are no external forces and therefore momentum must be conserved.

So;

Initial momentum = final momentum

m_l × v_l = m_s × v_s

Where v_l is speed of the log relative to water

Making v_l the subject, we have;

v_l = (m_s × v_s)/m_l

Plugging in the relevant values, we have;

v_l = (64.38 × 3.472)/237

v_l = 0.9432 m/s

8 0
3 years ago
A runner can run a 400.0 meter lap in 50.0 seconds.   He finishes at the same spot as he began.  What is his average velocity?
cestrela7 [59]
8 meters per second. To find velocity is to divide distance by total time. so 400/50.
8 0
3 years ago
Read 2 more answers
Fill in the term that best completes the statement.<br> Work transfers<br> between objects.
Otrada [13]

Answer:

<em><u>Energy is the term that best completes the statement.</u></em>

<em><u></u></em>

<em><u>Hope this helps!</u></em>

3 0
3 years ago
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