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3 years ago

What are some ways to improve heat islands temperature

Physics

1 answer:

Vera_Pavlovna [14]3 years ago

3 0

Answer:

1. Increase shade around your home. Planting trees and other vegetation

2.lowers surface and air temperatures by providing shade and cooling through evapotranspiration.

3.Install green roofs.

4.Install cool roofs.

5.Use energy-efficient appliances and equipment.

6.Check on your friends, family, and neighbors.

Explanation:

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2. While hiking, you see a fragment of rock drop vertically from the edge of a cliff to the ground below. Which of the following

Dafna11 [192]

Answer:

Your answer would be B. fall

Explanation:

This is because sliding would be continuous it just said a fragment of rock fell vertically. Hope this helps

{/} OfficialQue09 {/}

8 0

3 years ago

Read 2 more answers

Three deer, a, b, and c, are grazing in a field. deer b is located 62.1 m from deer a at an angle of 54.3 ° north of west. deer

sveticcg [70]

by cosine law we know that

$c^2 = a^2 + b^2 - 2 abcos\theta$

$\theta = 180 - 54.3 - 79.1 = 46.6 degree$

now using above equation

$93.8^2 = 62.1^2 + b^2 - 2*62.1*b * cos46.6$

$4942.03 = b^2 - 85.34 b$

$b^2 - 85.34b - 4942.03 = 0$

by solving above quadratic equation we have

$b = 124.9 m$

so it is at distance 124.9 m from deer a

4 0

3 years ago

Cindy saw her mother heating a wet pan on the stove. As the pan got hotter, the water on the outside began to dry. Why?

dlinn [17]

Answer:

As the temperature of materials increase, the objects find a phenomenon called change of phase.

This means that if you give enough heat to a liquid, this can change of state from liquid state to gas state (the water evaporates)

So the water in the pan reaches the evaporation temperature (around 100°C) and it starts to evaporate, this is why the water on the outside begins to "dry"

7 0

3 years ago

A 2.0-kg block sliding on a rough surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fi

earnstyle [38]

Answer:

The speed is 3.87 m/s

Explanation:

The total work is equal to the change to kinetic energy:

Wtotal = ΔEk

Wspring + Wfriction = Ekf - Eki

Eki = 0

$-(\frac{1}{2} kd^{2} )-(fk*m*g*d^{2} )=\frac{1}{2} m(v^{2} -v_{i} ^{2} )$

Where

k = 200 N/m

d = 10 cm = 0.1 m

fk = 0.15

m = 2 kg

g = 9.8 m/s²

vi = 4 m/s

Replacing and clearing v:

$-(\frac{1}{2} *200*0.1^{2} )-(0.15*2*9.8*0.1^{2} )=\frac{1}{2} *2*(v^{2} -4^{2} )\\-1-0.0294=v^{2} -16\\v=\sqrt{-1-0.0294+16} =3.87m/s$

3 0

3 years ago

Helpppppppp<br> Science<br> ASAP

cricket20 [7]

1(Petals)- D(Attracts Pollinators)
2(Anther) - B(holds pollen)
3(Pollen)- A(Male Gametes)
4(Stigma)- C(Receives the pollen)

7 0

3 years ago