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polet [3.4K]
2 years ago
15

Which statements describe solstices? Select 3 correct choices. They occur when the Sun reaches its highest or lowest point in th

e sky. They affect the amount of sunlight in the Northern Hemisphere in June. They contribute to the cycling of winters all year long in the Northern Hemisphere. They influence the cycling of different seasons based on the Sun’s height in the sky. They increase the amount of rays from the Sun directly received in the Southern Hemisphere.
Physics
1 answer:
Contact [7]2 years ago
7 0

The statements that best describe solstices include:

A. They occur when the Sun reaches its highest or lowest point in the sky.

B. They affect the amount of sunlight in the Northern Hemisphere in June.

D. They influence the cycling of different seasons based on the Sun's height in the sky.

A solstice can be defined as a phenomenon in which the Sun reaches its maximum or minimum declination relative to the celestial equator on the celestial sphere, thereby, producing either the least amount of daylight time within a day or the most amount of daylight time. Also, it occurs twice in a year between June 20-22 and December 21-23.

Traditionally, solstice marks the beginning (start) of seasons such as summer and winter depending on the hemisphere.

Hence, the statements that best describe solstices include:

  • Solstices occur when the Sun reaches its highest (maximum) or lowest (minimum) point in the sky.
  • Solstices affect the amount of daylight time (sunlight) in the Northern Hemisphere in June.
  • Solstices influence the cycling of different seasons depending on the Sun's height in the sky.

Read more on solstices here: brainly.com/question/5133631

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In tae-kwon-do, a hand is slammed down onto a target at a speed of 10 m/s and comes to a stop during the 7.0 ms collision. Assum
wlad13 [49]

Answer:

(A) Impulse = 9Ns

(B) F = 1286N

Explanation:

Impulse = change in momentum = m(v-u)

v = 0 (the hand comes to a stop)

u = -10m/s

Mass = 0.9kg

Impulse = 0.9 ×(0- (-10))

= 9Ns

(B) F×t = Impulse

F = Impulse/ t

t = 7ms = 7×10-³

F = 9/ (7×10-³)

F = 1286N.

5 0
2 years ago
Suppose a grower sprays (2.2x10^1) kg of water at 0 °C onto a fruit tree of mass 180 kg. How much heat is released by the water
Bond [772]

There is no temperature change which drives heat flow, thus no heat will be released by the water.

<h3>Heat released by the water when it freezes</h3>

The heat released by the water when it freezes is calculated as follows;

Q = mcΔФ

where;

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  • c is specific heat capacity of water
  • ΔФ is change in temperature = Фf - Фi

Initial temperature of water, Фi = 0 °C

when water freezes, the final temperature, Фf = 0 °C

Q = 22 x 4200 x (0 - 0)

Q = 0

Since there is no temperature change which drives heat flow, thus no heat will be released by the water.

Learn more about heat flow here: brainly.com/question/14437874

6 0
2 years ago
The equations are not balanced. Which equation would have the same coefficients in the same order as 2CO2 + 3H20 → C2H6O + 3O2?
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<span>A: Al + FeO → Al2O3 + Fe

Hope it helps!
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10. Electrical Power: Why do our electronic devices get hot? We know
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Answer:

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Inside the conductor, we have some "fixed" (they do not flow with the current) electrons, such that as the current flows in the conductor, the flowing electrons can interact with the fixed ones in the conductor. Then we can have collisions inside the conductor.

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That is why electronic devices get hot.

Also, as the temperature of a conductor increases, the electrons inside of it start to move more, then the probability of an interaction with the flowing electrons increases.

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2 years ago
We have seen that an electric field must exist inside a conductor that carries a current. How is that possible in view of the fa
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Answer:

Explanation:

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