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Fynjy0 [20]
3 years ago
10

Which of the following explains why tides occur every 12 hours and 25 minutes?

Physics
1 answer:
Elza [17]3 years ago
7 0

<em>Answer :  B</em>

  • A lunar day is the time it takes a specific site on the earth to rotate from exact point under the moon to the same point.  Unlike the solar day, a lunar day is 24 hours 50 minutes. the lunar day is 50 minutes longer than the solar day because the moon revolves around the earth in the same direction that the earth rotates around its axis. So it takes the earth an extra 50 minutes to catch up.
  • In lunar day coastal areas experience two high and two low tides every 24 hours and 50 minutes. High tides occur every 12 hr 25 minutes apart.
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Answer:

They are separated by a distance of 18 m. Find the gravitational attraction between them. r= 1 m r= 1 m 18 m. Mass = 1.5 kg. Mass = 8.5 kg.

6 0
2 years ago
A ray of light is incident on a flat surface of a block of polystyrene, with an index of refraction of 1.49, that is submerged i
Crazy boy [7]

Answer:

21.5°

Explanation:

Given,

Refractive index of water, n₁ = 1.33

Refractive index of polystyrene, n₂ = 1.49

Angle of reflection = ?

Angle of refraction = 19.1°

Using Snell's law

n₁ sin θ₁ = n₂ sin θ₂

1.33 x sin θ₁ = 1.49 x sin 19.1°

sin θ₁ = 0.366

θ₁  = 21.5°

According to law of reflection angle of incidence is equal to angle of reflection.

Angle of reflection =  21.5°

4 0
2 years ago
What is 2m+n =k for M
kotykmax [81]
Answer : M= k-n/2
Subtract n from each side
2m=n-k
Divide out 2 from both sides to get M alone
m= k-n/2
5 0
3 years ago
Which three metal do you think might be present in alnico explain ? ans which one are magnetic​
erma4kov [3.2K]

Answer:

Aluminium, Nickel, Cobalt and Iron plus varying levels of Copper, Titanium and Niobium.

MAGNETIC: Alni, Alcomax, Hycomax, Columax, and Ticonal.

8 0
3 years ago
Enzo investigated the effect of different types of fertilizers on the growth of bean plants. He hypothesized that fertilizer B w
Mama L [17]

Answer:

The answer is "In this information, Enzo will be confident that if any fertilizer is required only for plants".

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The Beans plants were members of the group of legumes. Legume flowering plant under which the roots form nodules. These nodules require a specific bacterium called bacteria, which fix nitrogen. Its bacterium transforms nitrogen from the atmosphere into the soil's nitrate. Consequently, for some of its growth, beans do not require fertilizer.

4 0
3 years ago
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