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icang [17]
3 years ago
8

What is the relationship between distance and sound wave return time?

Physics
1 answer:
nekit [7.7K]3 years ago
6 0
The time for the echo to return is directly proportional to the distance. vw = fλ. In a given medium under fixed conditions, vw is constant, so that there is a relationship between f and λ; the higher the frequency, the smaller the wavelength.
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Choose the law that best describes the following statement: The volume of a gas is directly proportional to the number of moles
olga55 [171]
Avogadros law is applied when temperature and pressure remain constant, and details the direct relationship between moles and volume in this circumstance
6 0
3 years ago
Why do rivers usually have water in them, even during a drought?
Kipish [7]
Well the case with the droughts is that the water supply comes from different places such as other smaller streams and also from underground rivers .Rivers cut into saturated ground is also another reason.
7 0
4 years ago
A 60.-kilogram physics student would weigh 1560
rosijanka [135]

Answer:

26m/s²

Explanation:

Given parameters:

Mass of the student  = 60kg

Weight  = 1560N

Unknown:

Acceleration due to gravity  = ?

Solution:

Weight is a force on a body due to gravity;

  Weight  = mass x gravity

   

Insert the given parameters and solve;

    1560  = 60 x gravity

    Gravity  = \frac{1560}{60}   = 26m/s²

4 0
3 years ago
How many regions does the spine have and what are them ?s
Viktor [21]

the spine is divided into four main regions: cervical, thoracic, lumbar and sacral.

Have an amazing day! <3

4 0
3 years ago
lace each example of a collision in correct category. bumper cars colliding man jumping in a cab mud sticking to car hat being s
Marrrta [24]

Answer:

bumper cars colliding- inelastic

man jumping in a cab- perfectly inelastic

mud sticking to car - perfectly inelastic

hat being sat on door being slammed- inelastic

ball bouncing- elastic

Explanation:

In a perfectly inelastic collision, the objects stick together after collision and move with a common velocity. Maximum kinetic energy is lost during such collision.

For an inelastic collision, kinetic energy is partly lost and the colliding objects move apart at different velocities. This is often encountered in real life situations.

For an elastic collision, both momentum and kinetic energy are conserved. The object rebounds with the same relative velocity with which it approached.

3 0
4 years ago
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