All categories

3 years ago

A wave is moving at 18 m/s. If its wavelength is 3 meters, what is its frequency?

Physics

1 answer:

Vlada [557]3 years ago

7 0

here's the solution,

we know that,

=》

$wave \: speed = wavelength \times frequency$

so,

=》

$18 = 3 \times f$

=》

$f = \dfrac{18}{3}$

=》

$f = 6$

frequency = 6 hertz

You might be interested in

Earth’s orbital speed is approximately _____. 1600 kilometers per hour 110 kilometers per hour 43,000 kilometers per hour 107,00

zhannawk [14.2K]

Answer:

107,000 kilometers per hour.

Explanation:

5 0

4 years ago

Read 2 more answers

In the formulas for latent heat of fusion and latent heat of vaporization, what does Q represent?

Anestetic [448]

Answer:

IT'S A

the amount of heat released or absorbed by a substance

Explanation:

PLEASE MARK ME AS BRAINLIEST

7 0

3 years ago

Read 2 more answers

Will mark brainliest only if you show all work!

Drupady [299]

A :-) For this question , we should apply
v = u + at
Given - u = 40 m/s
a = 2.5 m/s^2
t = 12 sec
Solution -
v = u + at
v = 40 + 2.5 x 12
v = 40 + 30
v = 70 m/s

.:. The new speed is 70 m/s.
( speed = velocity ).

6 0

3 years ago

A standard 1 kilogram weight is a cylinder 54.0 mm in height and 55.0 mm in diameter. what is the density of the material

denis-greek [22]

The radius of the cylinder is equal to half the diameter:

$r=\frac{d}{2}=\frac{55.0 mm}{2}=27.5 mm$

The volume of the cylinder is given by:

$V=\pi r^2 h=\pi (27.5 mm)^2 (54.0 mm)=1.28 \cdot 10^5 mm^3$

where h is the heigth of the cylinder. Converting into meters,

$V=1.28 \cdot 10^{-4} m^3$

And the density of the material will be given by the ratio between the mass and the volume:

$d=\frac{m}{V}=\frac{1 kg}{1.28 \cdot 10^{-4} m^3}=7812.5 kg/m^3$

5 0

4 years ago

Look at the pic please

SCORPION-xisa [38]

Answer:

<h2>your answer is B) i hope this helps you and have a good day.</h2>

7 0

3 years ago