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3 years ago

6

WILL MARK BRAINLIEST PLS HELPPP -- Which of Newton’s Laws explains why the satellite would collide with the moon if gravity is “

turned off?”
picture attached

2 answers:

almond37 [142]3 years ago

5 0

Answer:

b

Explanation:

telo118 [61]3 years ago

4 0

B is the answer sorry for the late response

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Two sheets of polarizing material are placed such that their polarizing axes are 90° to each other and no light passes through t

nekit [7.7K]

Answer:

Explanation:

Polarization In this case angle of incidence is not equal to angle of polarization, hence reflected light is partially polarized and transmitted light is also partially polarized. by reflection is explained by Brewster's law,

According to this when unpolarized light incident on glass plate at an angle is called as angle of polarizing the reflected light is plane polarized, and transmitted light is partially polarized. The plane of vibration of polarized light is having plane of vibrations perpendicular to plane of incidence.

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3 years ago

A skydiver is using wind to land on a target that is 50 m away horizontally. The skydiver starts from a height of 70 m and is fa

elena55 [62]

Answer:

Answer:

15.67 seconds

Explanation:

Using first equation of Motion

Final Velocity= Initial Velocity + (Acceleration * Time)

v= u + at

v=3

u=50

a= - 4 (negative acceleration or deceleration)

3= 50 +( -4 * t)

-47/-4 = t

Time = 15.67 seconds

6 0

3 years ago

Bert is playing on his school's basketball team and one of the players on the other team continues to push him off balance when

allsm [11]

Answer:

Talk to his team captain and ask him to alert the referee to keep a better eye on the player.

4 0

3 years ago

what is the frequency of the photon emitted by a hydrogen atom when its electron drops from the n = 6 to n = 4 energy level?

Gemiola [76]

The frequency of the photon emitted by a hydrogen atom is $26.2*10^-^4 hz$

<h3>What are Photons?</h3>

A particle representing a quantum of light or other electromagnetic radiation. A photon carries energy proportional to the radiation frequency but has zero rest mass.

In the case of light, the frequency, symbolized by the Greek letter nu (ν), of any wave equals the speed of light, c, divided by the wavelength λ:

v = c/λ

Since the wavelength λ is in the bottom of the fraction, the frequency is inversely proportional to the wavelength.

v = c/λ

v= $\frac{3*10^8}{434*10^-^9} = 6.91*10^1^4 Hz$

By using Rydberg's formula,

1/λ $= Rz^2(\frac{1}{n_1^2} - \frac{1}{n_2^2})$

1/λ = $109677 *(\frac{1}{4^2} - \frac{1}{6^2}) = 3808.22 cm^-^1$

λ = $26.2*10^-^4 hz$

$26.2*10^-^4 hz$ is frequency of the photon emitted by a hydrogen atom.

Learn more about Photons here:brainly.com/question/20912241

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4 0

2 years ago

1 point<br> You throw a ball up in the air with a velocity of 30 m/s. How high does it<br> go?

choli [55]

Answer:

Explanation:

2as=vf^2-Vi^2

vf=30 m/s

vi= 0 m/s

a=g=9.8 m/s^2

s=vf^2-Vi^2/2a

s=(30)²-(0)²/2*9.8

s=900-0/19.6

s=45.9=46 m

4 0

3 years ago