All categories

3 years ago

3. the definition of the FREQUENCY of a sound is

1 answer:

8 0

Definition: Frequency is the measurement of the number of times that a repeated event occurs per unit of time. Sound moves through a medium such as air or water as waves. It is measured in terms of frequency and amplitude. Frequency, sometimes referred to as pitch, is the number of times per second that a sound pressure wave repeats itself.

You might be interested in

Which gas is responsible for polarizination defect?

Alex_Xolod [135]

Answer:

<h3>Hydrogen gas is responsible for polarizination defect.</h3>

3 0

3 years ago

Read 2 more answers

The strength of the force of gravity depends on

givi [52]

The masses of the objects and how much distance there is between them

3 0

3 years ago

A convex security mirror has a radius of curvature of 12.0 cm. What is the magnification of a pare 3.0 m from the mirror?

Makovka662 [10]

Answer:

magnification will be -0.025

Explanation:

We have given the radius of curvature = 12 cm

And object distance = 3 m

So focal length $f=\frac{R}{2}=\frac{12}{2}=6cm$

Now for mirror we know that $\frac{1}{f}=\frac{1}{u}+\frac{1}{v}$

So $\frac{1}{0.06}=\frac{1}{3}+\frac{1}{v}$

$16.66-0.333=\frac{1}{v}$

v = 0.750 m

Now magnification of the mirror is $m=\frac{-v}{u}=\frac{-0.750}{3}=-0.025$

5 0

3 years ago

A. In one short sentence, explain why we call the force of gravity an attractive force.

kondor19780726 [428]

Answer:

Explanation:

(a) The force of gravity is called an attractive force because it is the force (although weak) in which a planetary body or matter uses to attract an object towards itself.

(b) Yes, it does and the formula for force of gravity between any two object is

F = G $\frac{m1m2}{r}$

where m1 and m2 are masses of the first and second object respectively

r is the distance between the center of the two masses

G is the gravitational constant

3 0

3 years ago

To overcome the problems that blur images and don't provide the best resolution from Earth, astronomers have started using flexi

schepotkina [342]

Answer:

adaptive optics

Explanation:

simple

3 0

2 years ago

3. the definition of the FREQUENCY of a sound is​

3. the definition of the FREQUENCY of a sound is