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tresset_1 [31]
2 years ago
13

Question 10 of 15 If the period of a wave increases, its frequency must blank

Physics
1 answer:
aniked [119]2 years ago
4 0

Answer:

Blank = Increase

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Differentiate between sound waves and seismic waves?
algol13

The only real difference is that common seismic waves travel through the ground and sound waves travel through the air. If you had a pipe attached to granite and you were listening to it, you might detect both.

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3 years ago
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As mass increases what happens to the kinetic energy
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3 years ago
A 20-kilogram child is riding on a 10-kg sled over a frictionless icy surface at 8.0 meters per second. Calculate the kinetic en
Veseljchak [2.6K]

Answer:

K = 960 J

Explanation:

Given that,

Mass of a child = 20 kg

Mass of a sled = 10 kg

Speed of child on sled = 8 m/s

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The total mass of child and the sled = 20 kg + 10 kg

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K=\dfrac{1}{2}mv^2\\\\K=\dfrac{1}{2}\times 30\times (8)^2\\\\K=960\ J

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6 0
2 years ago
Find the pressure if a force of 2N is applied to an area of 0.00004m^2
BigorU [14]

Answer:

5 x 10^4 N/m^2

Explanation:

Pressure, force and area are related witg the following equation;

Pressure = Force /Area

From the question, we obtained the following information;

Force = 2N

Area = 0.00004m^2

Pressure =?

Pressure = Force /Area

Pressure = 2/0.00004

Pressure = 5 x 10^4N/m^2

3 0
3 years ago
A car drives 125 meters in 5 seconds. calculate the cars speed
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125/5 = 25 meters per second
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3 years ago
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