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notka56 [123]
2 years ago
11

What is the wavelength of a wave that has a speed of 350 meters/second and a frequency of 140 hertz?

Physics
1 answer:
sergey [27]2 years ago
3 0

Answer:2.5m

Explanation:

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A ball thrown straight up takes 1.89s to reach a height of 41.6m.
yulyashka [42]

Answer:

Explanation:

average velocity is 41.6/1.89 = 22.0 m/s

initial velocity u is

22.0 = (u + u - 9.81(1.89))/2

44.0 = 2u - 18.5

62.56 = 2u

u = 31.3 m/s

max height is

v² = u² + 2as

s = (v² - u²) / 2a

s = (0² - 31.3²) / (2(-9.81)) = 49.9 m

49.9 = 41.6 = 8.27 m higher

In process numbers have been rounded to 3 s.d. for reporting purposes.

8 0
3 years ago
How do the units that are used to measure heat differ from the units that are used to measure temperature?
irakobra [83]
Heat is measured in joules and temperature is measured in F degrees or C degrees.
6 0
3 years ago
What waves travel through a medium? Transverse, longitudinal, surface, electromagnetic, and mechanical are the choices
Svetach [21]
Mechanical Waves require a medium to travel through in order to transport their energy from one location to another.
Hoped this helped!
6 0
2 years ago
Which term, when divided by volume, equals density?
vredina [299]

Answer:

C) Mass

Explanation:

The mass of an object divided by its volume equals the density.

Hope this helps!

8 0
3 years ago
Read 2 more answers
Lake Baikal in Siberia has a maximum depth of 1642 m. What is the water
Veseljchak [2.6K]

Explanation:

Fluid gauge pressure is:

P = ρgh

where ρ is the fluid density and h is the depth of the fluid.

P = (1000 kg/m³) (9.8 m/s²) (1642 m)

P = 16,091,600 Pa

Rounded to four significant figures, the gauge pressure is 16.09 MPa.

3 0
3 years ago
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