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musickatia [10]

4 years ago

11

Which diagram best represents the relationship between the Earth and Sun that causes the changes in seasons on Earth?

2 answers:

Minchanka [31]4 years ago

8 0

The correct answer is the third diagram, the one in which Earth's axis is slightly inclined with respect to Earth's plane of orbit.

Indeed, the inclination of the Earth's axis has the effect to expose to the sunlight a hemisphere more than the other: i.e. during the month of January, the axis is inclined so that the South pole is closer to the Sun than the North Pole, resulting in summer in the Southern Hemisphere and winter in the Northern Hemisphere; while during the month of August <span>the axis is inclined so that the North pole is closer to the Sun than the South Pole resulting in summer in the Northern Hemisphere and winter in the <span>Southern Hemisphere</span>.</span>

lisov135 [29]4 years ago

8 0

Answer: third diagram

Explanation:

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Manufactured bolts can’t be too long or too short or they might not fit where they need to. Help determine which bolts will work

Sever21 [200]

What is the longest the bolt can be and still be acceptable

5 0

3 years ago

Honeybees acquire a charge while flying due to friction with the air. A 100 mg bee with a charge of +23 pC experiences an electr

Sedbober [7]

Answer:

(A) ratio of electric force to weight will be $23.469\times 10^{-10}$

(b) Electric field will be $E=4.26\times 10^{10}N/C$

Explanation:

We have given mass of bee = 100 mg = $m=100\times 10^{-3}=0.1kg$

Charge on bee $q=23pC=23\times 10^{-12}C$

Electric field E = 100 N/C

Weight of the bee $W=mg=0.1\times 9.8=0.98N$

Electric force on the bee $F=qE=23\times 10^{-12}\times 100=23\times 10^{-10}N$

So the ratio of electric force on the bee and weight is $=\frac{F}{W}=\frac{23\times 10^{-10}}{0.98}=23.469\times 10^{-10}$

(B) To hold the bee in air electric force must be equal to weight of bee

So $mg=qE$

$0.1\times 9.8=23\times 10^{-12}E$

$E=4.26\times 10^{10}N/C$

4 0

3 years ago

What happens when an object is moved against gravity, such as rolling a toy car up a ramp?

BlackZzzverrR [31]

Answer:

it goes up until we help it to but the moment we stop support it gets affected by gravity and goes back

Explanation:

3 0

3 years ago

Jill leaves home and rides a distance of 70 km. It took her 2.5 hours. What is her speed?

Paraphin [41]

The answer is ...
28 km per hour

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3 years ago

The materials that made up the solar nebula can be categorized into the four general types as follows. Rank these materials from

san4es73 [151]

Answer:

Hydrogen and Helium
Rock
Metals
Hydrogen compounds

Ranked from left to right based on their abundance in the solar nebula:

Hydrogen and Helium-Hydrogen compounds-Rocks-Metals

I hope you find this information useful and interesting! Good luck!

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3 years ago