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3 years ago

What would happen to the earth without carbon dioxide

2 answers:

6 0

The Earth would become somewhat cooler, the oceans would become somewhat less acidic, and no trees or green plants could grow, so there could be no grazing animals or insects.

HACTEHA [7]3 years ago

3 0

The ability for CO2 to warm the surface of a planet through the absorption of infrared radiation is well known. What is much less appreciated, however, is just how effective of a gas it is in maintaining the greenhouse framework that helps to characterize the modern climate.

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A Circular loop in the plane of a paper lies in a 0.65 TT magnetic field pointing into the paper. The loop's diameter changes fr

Kobotan [32]

Answer:

Explanation:

magnetic filed, B = 0.65 T

initial diameter, d = 17.5 cm

final diameter, d' = 6.6 cm

time, t = 0.48 s

(a) According to Lenz's law, the direction of induced current is clockwise.

(b) Let e is the induced emf.

initial area, A = π r² = 3.14 x 0.0875 x 0.0875 = 0.024 m²

final area, A' = π r'² = 3.14 x 0.033 x 0.033 = 0.00342 m²

change in area, ΔA = A - A' = 0.024 - 0.00342 = 0.02058 m²

The magnitude of induced emf is given by

$e=\frac{d\phi }{dt}$

$e=B\frac{\Delta A }{dt}$

e = 0.65 x 0.02058 / 0.48

e = 0.028 V

i = e / R

i = 0.028 / 2.5

i = 0.011 A

6 0

2 years ago

6. A plane took 3.55 hours to complete its flight. If the distance of the flight was 2840 kilometers, at what average speed did

ivann1987 [24]

Answer:

The average speed is 10,082

Explanation:

Do the formula

Distance * time = speed

2840 * 3.55

= 10,082

4 0

2 years ago

IS THERE A PLASTIC THAT YOU CAN SEE AND BREATHE THROUGH??? SOMEONE PLEASE ANSWER THIS!!!

dezoksy [38]

Answer in my own words:

Research reveals that most of the indoor microplastics contained in the air are created by synthetic plastic fibres, as well as by textiles used in furniture

Key words:

1: Research

2: air

3: Plastic

Please mark brainliest

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

3 0

2 years ago

A 45.0 kilogram boy is riding a 15.0-kilogram bicycle with a speed of 8.00 meters per second. What is the combined kinetic energ

svlad2 [7]

Answer:

1920Joules

Explanation:

The formula for calculating the kinetic energy of a body is expressed as;

KE = 1/2 mv²

m isthe mass

V is the speed

For the two masses, the combined KE is expressed as;

KE = 1/2(m1+m2)v²

KE = 1/2(45+15)(8)²

KE = 1/2 * 60 * 64

KE = 30 * 64

KE = 1920J

Hence the combined kinetic energy of the boy and the bicycle is 1920Joules

3 0

2 years ago

What is the index of refraction of the glass?

Serggg [28]

You don't need to do any calculations, you are already given that n=1.5
n is index of refraction. it's 1.5

4 0

2 years ago