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vichka [17]
3 years ago
14

Which statement demonstrates that ultraviolet (UV) rays are electromagnetic waves?

Physics
2 answers:
MA_775_DIABLO [31]3 years ago
5 0
The answer is B) They do NOT require a medium to travel.
aalyn [17]3 years ago
4 0
B. They don't require a medium to travel
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Base your answer(s) to the following question(s) on the information and diagram
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2 years ago
Which of the following is equal to 1W?<br><br>A.1 J<br>B.1 J/s<br>C.1 J·s<br>D.1 N·m
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7 0
3 years ago
A 34n force is applied to a 213kg mass how much does the mass accelerate
motikmotik
We Know, F = m*a
Here, F = 34 N
m = 213 Kg

Substitute their values in the equation,
34 = 213 * a
a = 34/213
a = 0.159 m/s²

So, your final answer & the acceleration of the object would be 0.159 m/s²

Hope this helps!
3 0
3 years ago
a roller coaster begins at the top of a hill if it acelerates at the rate of 2 m/s2 and has a mass of 2000 kg what net force is
AlladinOne [14]

Answer:

\boxed {\boxed {\sf 4000 \ Newtons }}

Explanation:

Force can be found by multiplying the mass by the acceleration.

F=m*a

The mass of the roller coaster is 2000 kilograms and the acceleration is 2 meters per second squared.

m= 2000 \ kg \\a= 2 \ m/s^2

Substitute the values into the formula.

F= 2000 \ kg * 2 \ m/s^2

Multiply.

F= 4000  \ kg*m/s^2

  • 1 kg*m/s² is equal to 1 N
  • Therefore our answer of 4000 kg*m/s² is equal to 4000 Newtons

F= 4000 \ N

The net force acting on the roller coaster is <u>4000 Newtons.</u>

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3 years ago
Why do some scientists think that Irr II galaxies have irregular, distorted shapes?
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They believe the distortions happened when two galaxies collided.

Hope This Helps :)
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3 years ago
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