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2 years ago

Which season is occurring in earths northern hemisphere when earths Southern Hemisphere is tilted toward the sun

Physics

2 answers:

SVETLANKA909090 [29]2 years ago

6 0

The answer is winter

kenny6666 [7]2 years ago

4 0

Winter Season.

When earth's Southern Hemisphere is tilted towards the sun, it means there is summer season in the Southern Hemisphere as the sun is close towards south pole. During the same period, In case of Northern Hemisphere, it is totally opposite. When the south pole is tilted towards sun, it means the Northern Hemisphere is away from sun and thus the winter season in the Northern hemisphere.

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A ray in glass arrives at the glass-water interface at an angle of 48° with the normal. The refracted ray, in water, makes a 72°

dimaraw [331]

Answer:

50.4°

Explanation:

Snell's law states:

n₁ sin θ₁ = n₂ sin θ₂

where n is the index of refraction and θ is the angle of incidence (relative to the normal).

When θ₁ = 48°:

n sin 48° = 1.33 sin 72°

n = 1.702

When θ₁ = 37°:

1.702 sin 37° = 1.33 sin θ

θ = 50.4°

3 0

3 years ago

Water emerges straight down from a faucet with a 2.51-cm diameter at a speed of 3.04 m/s. (because of the construction of the fa

Mkey [24]

This is a question on conservation of energy. That is,
mgh + KE1 = KE2
mgh +1/2mv1^2 = 1/2mv2^2
gh + 1/2v1^2 = 1/2v2^2

Where, h = 0.2 m, v1 =3.04 m/s
Therefore,
v2 = Sqrt [2(gh+1/2v1^2)] = Sqrt [2(9.81*0.2 + 1/2*3.04^2)] = 7.26 m/s

Now, Volumetric flow rate, V/time, t = Surface area, A*velocity, v
Where,
V = Av = πD^2/4*3.04 = π*(2.51/100)^2*1/4*3.04 = 1.504*10^-3 m^3/s

At 0.2 m below,
V = 1.504*10^-3 m^3/s = A*7.26
A = (1.504*10^-3)/7.26 = 2.072*10^-4 m^2

But, A = πr^2
Then,
r = Sqrt (A/π) = Sqrt (2.072*10^-4/π) = 0.121*10^-3 m
Diameter = 2r = 0.0162 m = 1.62 cm

3 0

2 years ago

suppose that two objects attract each other with a gravitational force of 32 newtons. if the distance between the two objects is

grandymaker [24]

Taking into account the Universal Law of Gravitation, the force of attraction between the tow objects is 8 N.

<h3>Universal Law of Gravitation</h3>

The Universal Law of Gravitation establishes that bodies, by the simple fact of having mass, experience a force of attraction towards other bodies with mass, called gravitational force.

The Universal Law of Gravitation states that the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance that separates them.

Mathematically it is expressed as follows:

$F=G\frac{Mm}{d^{2} }$

where:

G is the universal gravitational constant, with a value of 6.67×10⁻¹¹ $\frac{Nm^{2} }{kg^{2} }$ .
M and m are the masses of the bodies that interact.
d is the distance that separates them.

<h3>Force of attraction in this case</h3>

In this case, two objects attract each other with a gravitational force of 32 newtons. The distance between the two objects is doubled.

Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.

Then, if the separation distance between two objects is doubled (increased by a factor of 2), then the force of gravitational attraction is decreased by a factor of 4 (d²= 2²= 4). The new force is then $\frac{1}{4}$ of the original:

F= $\frac{1}{4}$ ×Foriginal

F= $\frac{1}{4}$ ×32 N

Finally, the force of attraction between the tow objects is 8 N.

Learn more about the Universal Law of Gravitation:

brainly.com/question/15967105

brainly.com/question/11359658

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6 0

2 years ago

calculate the force between two objects that have masses of 65 kilograms and 2,500 kilograms seperated by a distance of 2 meters

diamong [38]

Answer:

= 2.711 × 10^-12

Explanation:

7 0

2 years ago

When an ocean plate collides with a contintal plate

Nuetrik [128]

At some convergent boundaries, an oceanic plate collides with a continental plate.Oceanic<span> crust tends to be denser and thinner than </span>continental<span> crust, so the denser</span>oceanic<span> crust gets bent and pulled under, or subducted, beneath the lighter and thicker </span>continental<span> crust. This forms what is called a subduction zone.</span>

3 0

2 years ago

Read 2 more answers