All categories

3 years ago

What is the best explanation for seasons?

Physics

2 answers:

Iteru [2.4K]3 years ago

8 0

I believe the answer for this question is C.

dimulka [17.4K]3 years ago

4 0

C is the correct answer! Trust me i promise lol

You might be interested in

What statement best describes the superposition principle (Physics)

Alexandra [31]

Answer:

The principle of superposition which is also called superposition property,states that when two or more waves of the same type cross at some point, the resultant displacement at that point is equal to the sum of the displacements due to each individual wave.

Explanation:

5 0

3 years ago

A 10.0 cm object is 5.0 cm from a concave mirror that has a focal length of 12 cm. What is the distance between the image and th

fiasKO [112]

Let's use the mirror equation to solve the problem:
$\frac{1}{f}= \frac{1}{d_o}+ \frac{1}{d_i}$
where f is the focal length of the mirror, $d_o$ the distance of the object from the mirror, and $d_i$ the distance of the image from the mirror.
For a concave mirror, for the sign convention f is considered to be positive. So we can solve the equation for $d_i$ by using the numbers given in the text of the problem:
$\frac{1}{12 cm}= \frac{1}{5 cm}+ \frac{1}{d_i}$
$\frac{1}{d_i}= -\frac{7}{60 cm}$
$d_i = -8.6 cm$
Where the negative sign means that the image is virtual, so it is located behind the mirror, at 8.6 cm from the center of the mirror.

6 0

3 years ago

Read 2 more answers

How did equity in the 2008 crisis?

MArishka [77]

Answer:

While the causes of the bubble are disputed, the precipitating factor for the Financial Crisis of 2007–2008 was the bursting of the United States housing bubble and the subsequent subprime mortgage crisis, which occurred due to a high default rate and resulting foreclosures of mortgage loans, particularly adjustable. Hope this helps!

Explanation:

5 0

4 years ago

In December, a city in the Southern Hemisphere has warm weather all month long. What causes this to happen?

viva [34]

Answer: C: There is a high concentration of the Sun’s rays in that region.

I just took the test.

Explanation:

5 0

3 years ago

Read 2 more answers

A steel ball attached to a spring moves in simple harmonic motion. The amplitude of the ball's motion is 11.0 cm, and the spring

Dmitriy789 [7]

Answer:

a) m = 0.626 kg , b) T = 2.09 s , c) a = 1.0544 m / s²

Explanation:

In a spring mass system the equation of motion is

x = A cos (wt + Ф)

with w = √(k / m)

a) velocity is defined by

v = dx / dt

v = - A w sin (wt + Ф) (1)

give us that the speed is

v = 26.1 m / s

for the point

x = a / 2

the range of motion is a = 11.0 cm

x = 11.0 / 2

x = 5.5 cm

Let's find the time it takes to get to this distance

wt + Ф = cos⁻¹ (x / A)

wt + Ф = cos 0.5

wt + Ф = 0.877

In the exercise they do not indicate that the body started its movement with any speed, therefore we assume that for the maximum elongation the body was released, therefore the phase is zero f

Ф = 0

wt = 0.877

t = 0.877 / w

we substitute in equation 1

26.1 = -11.0 w sin (w 0.877 / w)

w = 26.1 / (11 sin 0.877))

w = 3.096 rad / s

from the angular velocity equation

w² = k / m

m = k / w²

m = 6 / 3,096²

m = 0.626 kg

b) angular velocity and frequency are related

w = 2π f

frequency and period are related

f = 1 / T

we substitute

w = 2π / T

T = 2π / w

T = 2π / 3,096

T = 2.09 s

c) maximum acceleration

the acceleration of defined by

a = dv / dt

a = - Aw² cos (wt)

the acceleration is maximum when the cosine is ±1

a = A w²

a = 11 3,096²

a = 105.44 cm / s²

we reduce to m / s

a = 1.0544 m / s²

5 0

4 years ago