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slega [8]
4 years ago
11

1pt A ball with mass (m) is dropped from a certain height. Which equality could be rearranged to find the velocity of the

Physics
2 answers:
Vladimir79 [104]4 years ago
3 0
B worked it out........
____ [38]4 years ago
3 0

Answer:

it is b i did the <u><em>quiz </em></u>

Explanation:

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How are gamma rays and microwaves similar
kompoz [17]

They are both electromagnetic waves

Explanation:

Electromagnetic waves are waves consisting of periodic oscillations of electric and magnetic fields. The fields oscillate in a plane perpendicular to the direction of motion the wave, so they are transverse waves.

Electromagnetic waves are the only type of waves able to travel in a vacuum. All electromagnetic waves travel in a vacuum at the same speed, known as the speed of light, equal to:

c=3.0\cdot 10^8 m/s

Electromagnetic waves are divided into 7 different types, depending on their wavelength and frequency. From the shortest to the longest wavelength (and so, from highest to lowest frequency, since frequency is inversely proportional to wavelength), we have:

Gamma rays

X rays

Ultraviolet

Visible light

Infrared radiation

Microwaves

Radio waves

So as we can see, both gamma rays and microwaves are types of electromagnetic waves. The difference between them is their different wavelength/frequency: in fact, the wavelength of gamma rays is extremently short (), while microwaves have longer wavelengths (at the order of the centimeter).

Learn more about electromagnetic waves:

brainly.com/question/9184100

brainly.com/question/12450147

#LearnwithBrainly

7 0
4 years ago
What type of bone is the thigh
LUCKY_DIMON [66]

Answer:

hich graph represents this system?

y = 2 x + 1. y = negative 4 x + 7.

On a coordinate plane, a line goes through (0, 7) and (1, 3) and another goes through (1, 3) and (2, 5).

On a coordinate plane, a line goes through (negative 4, 0) and (0, 7) and another line goes through (negative 4, 3) and (0, 1).

On a coordinate plane, a line goes through (0, negative 4) and (1, 3) and another goes through (0, 2) and (1, 3).

On a coordinate plane, a line goes through (0, 7) and (8, 5) and another line goes through (0, 1) and (8, 5).

Explanation:

asdfgh

4 0
3 years ago
Read 2 more answers
A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 42 m in 3.1 min, what is the average power delivere
exis [7]

Answer:

16.96 W

Explanation:

Power: This can be defined as the rate at which work is done by an object. The S.I unit of power is Watt(W).

From the question,

P = (F×d)/t....................... Equation 1

Where P = power, F = force, d = distance, t = time.

Given: F = 75 N, d = 42 m, t = 3.1 min = 3.1×60 = 186 s

Substitute these values into equation 1

P = (75×42)/186

P = 16.94 W

Hence the average power delivered by the child  = 16.96 W

4 0
3 years ago
True or False - Solar energy comes from wind energy?
vladimir1956 [14]
False. solar comes from the sun while wind energy comes from the wind. hope this helps!
3 0
4 years ago
An attempt to explain observations of the natural world is
Ludmilka [50]
Should be scientific theory
3 0
3 years ago
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