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uranmaximum [27]
3 years ago
11

Need Some Help Please :)

Physics
2 answers:
joja [24]3 years ago
6 0
1. The amount of energy carried by the wave is related to the Amplitude of the wave.
2. A mechanical wave requires an initial energy input, Once this initial energy is added the wave travels through the medium until all it's energy is transferred.
yanalaym [24]3 years ago
6 0

Answer:

  1. The higher the wave, the higher the frequency
  2. Energies are transferred in mechanical waves through a medium

Explanation:

<u>How frequency relates to the energy of the wave</u>

Literally, frequency of a wave refers to the number of waves that move past a certain point during a given amount of time, (although it is often measured per second )

So, this means that when more waves moves past the given points, the frequency of the wave will get increased and if other wise, the frequency if the wave will get reduced, this is so because wave frequency is related to wave energy.

Since all that waves really are is traveling energy, the more energy in a wave, the higher its frequency. The lower the frequency is, the less energy in the wave.

<u>How energy is transferred through mechanical wave</u>

Mechanical waves are such that they're not capable of transmitting energy via vacuum. Hence, they need a medium to transmit these energies from one point to another.

All type of mechanical waves need a form of medium in order to transmit.

Take for instance:

  • A slinky wave requires the coils of the slinky;
  • A water wave requires water

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The Pony Express was a mail delivery system in the Old West that used a series of men on horseback to deliver mail from St. Jose
aliya0001 [1]

Answer:

the given statement is False

Explanation:

given,                                                          

distance of the trail = 2000 miles long          

each rider traveled = 100 miles                        

every fresh horse travel = 10 miles                    

to maintain speed of = 10 mile/hr                      

the given statement is                                            

150 horses is used for each delivery.                    

if each horse is allowed to travel 10 miles to travel

distance traveled using 150 horses = 150 x 10

                                                            = 1500 miles

to travel 2000 miles horse required is equal to 200.

so, the given statement is False

4 0
3 years ago
An airplane flies for 1.25 hours with a constant speed of 1080 km/hr and then for another 2.5 hours with a constant speed of 984
Makovka662 [10]

Answer:

i think its 3583.2km skskks

6 0
3 years ago
Read 2 more answers
A 70.0-kilogram man is walking at a speed if 2.0 m/s. What is the kinetic energy?
Paraphin [41]

Answer:

140 J

Explanation:

From the the question, the mass of the man =70.0 kg and the speed at which the man is walking =2.0 m/s.

K.E =  \frac{1}{2}m {v}^{2}

where K.E = the kinetic energy, m=mass and v= speed.

By substitution,

K.E =  \frac{1}{2} \times 70 \times  {2}^{2}

\implies \: K.E = \frac{280}{2}

\implies K.E =140

Hence the kinetic energy of the man is 140J

3 0
3 years ago
Find the work performed when the given force f f is applied to an object, whose resulting motion is represented by the displacem
Ahat [919]

work = force x distance

fd foot pounds

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3 years ago
Time shifting occurs when _______.
Svet_ta [14]
The answer is C, individuals copy works to view at a later time.
4 0
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