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kykrilka [37]
3 years ago
9

A wave's _______________ and its frequency have a reciprocal relationship.

Physics
2 answers:
Varvara68 [4.7K]3 years ago
8 0
Wavelength and frequency have a reciprocal relationship. If one doubles, the other halves.
Marina86 [1]3 years ago
4 0

wave frequency and its wavelength is related by the following relation

frequency = \frac{speed}{wavelength}

we can also show this by

f = \frac{v}{\lambda}

now if speed of the wave remains constant then we can say that frequency of wave is inversely depends on the wavelength.

so we can say

<u>wavelength of wave is inversely depends on its frequency</u>

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3. A worker pushes a box across the floor to the right at a constant speed with a force of 25N. What
WITCHER [35]

Answer:

Friction between the box and the floor is 25N to the left.

Explanation:

According to Newton's second law of motion, the net force acting on an object is equal to the produce between the object's mass and its acceleration:

F_{net}=ma

where

m is the mass of the object

a is its acceleration

In this problem, we have two forces acting on the object:

- The applied force, F = 25 N, to the right

- The force of friction F_f, opposing the motion of the box, so to the left

So we can write the net force as

F_{net}=F-F_f

Also, we know that the box is moving at constant speed: this means its acceleration is zero, so

a=0

Therefore

F_{net}=0

WHich means:

F-F_f=0

And therefore,

F_f=F=25 N

which means that the force of friction is also 25 N.

6 0
3 years ago
A cd player uses a ___ to convert info to an electrical signal
Alex_Xolod [135]
C.) Laser. the light from the laser reflects off the shiny surface as the CD rotates
7 0
3 years ago
Anna pushes a box with a force of 8.00 newtons. She generates a power of 3.00 watts. How much time does it take for Anna to move
QveST [7]
Power is the energy in a system per time.  It will have units of Watts which is equal to joules per second. It can be expressed as:

P = E / t

where E = Force x distance

P = Fd / t
t = Fd / P
t = 8 (9.72) / 3.0
t = 25.92 s
8 0
3 years ago
Read 2 more answers
a. A lifted parcel of air will be colder (heavier) that the air surrounding it. Because of this fact, the lifted parcel will ten
kvv77 [185]
I think the answer is A because it’s a better explanation
5 0
3 years ago
Organizing and interpreting information from the senses is called
PIT_PIT [208]

I believe the answer you are looking for is perception.

3 0
3 years ago
Read 2 more answers
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