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3 years ago

The formation of a standing wave requires _____.

Physics

2 answers:

erica [24]3 years ago

4 0

the formation of a standing wave requires interferencethe incoming and reflected waves of the same frequency

Colt1911 [192]3 years ago

3 0

Answer: The correct answer is "interference between the incoming and reflected waves of the same frequency"

Explanation:

Standing wave: Standing wave will form when two waves of equal frequency travelling in an opposite direction in the same medium. There is interference between the incoming and reflected waves of the same frequency.

These waves do not appear to move. There is an oscillation up and down in same phase. Standing wave consists of node and antinode.

Anti node: It is the location in the wave where the amplitude is minimum.

Node: It is the location in the wave where the amplitude is maximum.

Therefore, the correct option is "interference between the incoming and reflected waves of the same frequency ".

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Atoms are very small. Which measurement is the approximate diameter of a helium atom?

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3 years ago

An electrical device in which a long wire is wound into a succession of closely spaced loops around a n insulating core is calle

Iteru [2.4K]

Answer:

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3 years ago

During a braking test, a car is brought to rest beginning from an initial speed of 60 mi/hr in a distance of 120 ft. With the sa

maw [93]

Answer:

Explanation:

Given

Initial speed $u=60\ mi/hr\approx 88\ ft/s$

distance traveled before coming to rest $d_1=120\ ft$

using equation of motion

$v^2-u^2=2as$

where v=final velocity

u=initial velocity

a=acceleration

s=displacement

$0-(88)^2=2\times a\times 120---1$

for $u_2=80\ mi/hr\approx 117.33\ ft/s$

using same relation we get

$0-(117.33)^2=2\times a\times (d_2)----2$

divide 1 and 2 we get

$(\frac{88}{117.33})^2=\frac{120}{d_2}$

$d_2=213.32\ ft$

So a distance if 213.32 ft is required to stop the vehicle with 80 mph speed

8 0

3 years ago

I just need the answer

Archy [21]

Answer:

I'll try to help which grade are you?

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2 years ago

Through what process does water leave the hydrosphere and enter the atmosphere

evablogger [386]

Water and the atmosphere. Water enters the atmosphere through evaporation, transpiration, excretion and sublimation: Transpiration is the loss of water from plants (via their leaves).

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3 years ago