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Morgarella [4.7K]
3 years ago
13

The law of reflection states that if the angle of incidence is 38 degrees, the angle of reflection is ___ degrees.

Physics
1 answer:
Tasya [4]3 years ago
4 0

Answer:

38

Explanation:

because the law of reflection states angle of incidence is equal to the angle of reflection

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6)the speed of light is approximately​ 186,000 mi/sec. It takes light from a particular star approximately 9 yrs to reach Earth.
NeTakaya

Answer:

5.2791264*10¹³

Explanation:

Convert the 9 years to seconds and then multiple it by 186000

5 0
3 years ago
The height of a circular tower is 179 meters and its diameter is 48 meters. (Assume that the building is a perfect cylinder). Wh
EastWind [94]

The definition of a scale of 1: 166 will mean that the scale of 1 in the model will be equivalent to 166 times the measurement in the real model, therefore we will have that the height would be 166 times smaller than the 179m given:

h = \frac{179m}{166} = 1.078m = 107.8cm

The same for the diameter,

\phi = \frac{48m}{166}= 0.2891m = 28.91cm

The volume of a cylinder is given as

V = (\pi r^2)(h)

V = (\pi (\frac{d}{2})^2)(h)

V = (\pi (\frac{ 28.91}{2})^2)(107.8)

V = 70762.8cm^3

Therefore the volume would be V = 70762.8cm^3

6 0
3 years ago
Which part of the microscope is the circular area on the stage that light passes through?
patriot [66]

Answer: The part of the microscope that is the circular area is the APERTURE

I hope this helped!

6 0
1 year ago
The five factors of production include land, _______, capital, entrepreneurship, and _______.
adell [148]
<span>The five factors of production include land, labor, capital, entrepreneurship, and knowledge. Land is considered as the primary because these are the pre-existent resources readily available from nature however, nowadays, these are already bought and passed down from generations. Capital is the money used for the production which needs to be returned when one invests on something. Labor is the person’s inputs which is very valuable. Entrepreneurship is how the person transact according to how the people negotiate. And knowledge is one of human’s invaluable efforts of giving the ideas.</span>
6 0
3 years ago
A running back with a mass of 70 kg travels down the field with a velocity of 5.0 m s . Calculate the kinetic energy of the foot
Sergio [31]

K.E = 1/2 mv²

    =  1/2 (70kg) (5.0ms)²

    =  1 ˣ ( 1750) / 2

    = 875 kgms²

     

5 0
3 years ago
Read 2 more answers
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