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givi [52]
4 years ago
7

The process of finding objects by emitting sounds and interpreting their reflections is called

Physics
1 answer:
ddd [48]4 years ago
8 0
Echolocation is the process of finding objects by emitting sounds and interpreting their reflections. This process uses echo. When sound is produced, it travels and hits an object. Sound bounces off the object and is reflected back. The echo produced helps to identify the location of the object and even size of the object. Echolocation is used by animals such as bats and dolphins to navigate and also hunt.
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when an electric current is flowing through a wire which of the following is also produced energy domain field force
qaws [65]

When an electric current is flowing through a wire, there is a magnetic <em>field</em> produced.  The lines of magnetic force are circles around the wire.

4 0
4 years ago
Which rule for assigning oxidation numbers is correct
Travka [436]

Answer:

B.

Explanation:

Oxygen is really -2

While the other options in correct form is

Hydrogen O.S is +1

A pure group 1 element is 0.

And

A monoatomic ion's O.S is the charge contained by it

8 0
3 years ago
Which type of wave interaction is shown in the photo?
julia-pushkina [17]

The wave interaction that is shown in the photo is refraction as light moves from air to water.

<h3>What is refraction?</h3>

Refraction refers to the change in the frequency of a wave and the direction of the wave as it moves from one medium to another. We know that waves makes a body under water to look slightly different than when it is in air.

Thus, the wave interaction that is shown in the photo is refraction as light moves from air to water.

Learn more about refraction:brainly.com/question/14760207

#SPJ1

7 0
2 years ago
A block is released from the top of a frictionless incline plane as pictured above. If the total distance travelled by the block
kotegsom [21]

Complete Question

The diagram for this question is showed on the first uploaded image (reference homework solutions )

Answer:

The  velocity at the bottom is  v  = 11.76  \ m/ s

Explanation:

From the question we are told that

   The  total distance traveled is  d =  1.2  \ m

    The mass of the block is  m_b  =  0.3 \ kg

      The  height of the block from the ground is h =  0.60 m  

According the law of  energy  

   PE  =  KE

Where  PE  is the potential energy which is mathematically represented as

      PE  =  m * g  *  h

substituting values

     PE  =   3 *  9.8  *  0.60

      PE  =  17.64 \  J

So

   KE  is the kinetic energy at the bottom which is mathematically represented as

          KE  =  \frac{1}{2}  *  m v^2

So

      \frac{1}{2}  *  m* v ^2  =  PE

substituting values  

  =>    \frac{1}{2}  *  3 * v ^2  = 17.64

=>       v  = \sqrt{ \frac{ 17.64}{ 0.5 * 3 } }

=>    v  = 11.76  \ m/ s

4 0
3 years ago
The total amount of power that a star radiates is called its
Ede4ka [16]
Luminosity is the total amount of power a star radiate I think :)
3 0
3 years ago
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