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3 years ago

14. Name the 3 primary causes for the expected mass migration due to Climate Change.

Physics

1 answer:

Step2247 [10]3 years ago

6 0

Answer: sea-level rise, extreme weather events, and drought, and water scarcity.

Explanation:

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You buy a magnifying glass at the store. The lens in the magnifying glass is a double convex lens, a lens with two convex curved

Leokris [45]

Answer:

30 cm

Explanation:

f = Focal length = 25 cm

R = Radius of curvature (both sides are equal)

$\mu$ = Refractive index of lens = 1.6

The lens maker formula is given by

$\frac{1}{f}=(\mu-1)(\frac{1}{R_1}-\frac{1}{R_2})\\\Rightarrow \frac{1}{f}=(\mu-1)(\frac{1}{R}-\frac{1}{-R})$ minus sign because it is on the other side

$\\\Rightarrow \frac{1}{f}=(\mu-1)\frac{2}{R}\\\Rightarrow R=2(\mu-1)f\\\Rightarrow R=2(1.6-1)\times 25\\\Rightarrow R=30\ cm$

The radius of curvature of the glass surface is 30 cm

8 0

4 years ago

A critical period begins and ends abruptly

STatiana [176]

Answer:

yes

Explanation:

A critical period? 

A.begins and ends abruptly 

B.begins and ends gradually 

C.is unaffected by stimuli 

D.is unlikely to impact development

correct answer (A.begins and ends abruptly )

8 0

3 years ago

A car of mass 940.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 42.5 km/hr (11.8 m/s),

MAVERICK [17]

Answer:

0.39 $m/s^2$

Explanation:

Parameters given:

Mass of car, m = 940 kg

Speed of car, v = 11.8 m/s

Power supplied by engine, P = 4300 W

To get the acceleration, we must define the relationship between Power and velocity.

Power, P, is given in terms of velocity, v, as:

P = F * v

where F = force

This is because Power is given as:

$P = \frac{E}{t} \\\\\\P = \frac{F*d}{t} \\\\\\=> P = F * v$

(where E = energy. t = time taken, d = distance moved)

Force, F, is given as:

F = m*a

Therefore, Power will be:

P = m * a * v

Acceleration, a, will then be:

$a = \frac{P}{m*v}$

$a = \frac{4300}{940 * 118} \\\\\\a = 0.39 m/s^2$

The acceleration of the car at that time is 0.39 $m/s^2$

4 0

3 years ago

Read 2 more answers

A car can go from 0.0 m/s to 100m/s in 6 seconds. What is the acceleration

Mama L [17]

Answer:

100-0 / 6 = 16.66 m/s

Explanation:

acceleration = vf-vi / time

vf= 100m/s

vi= 0 m/s

t= 6s

7 0

3 years ago

Which type of mirror causes beams of light to spread apart

Serggg [28]

Answer: is C
Expiation: you can find the answer on quizlet and it’s diverging mirror so the answer is C

4 0

4 years ago