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CaHeK987 [17]
3 years ago
7

What factors affect the speed of a wave? Check all that apply.

Physics
1 answer:
valkas [14]3 years ago
8 0

Answer:

the amplitude of the wave

the energy of the wave

the type of wave

the type of medium

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I need help this is due today GIVING BRAINLIEST IM DESPERATE!
Nitella [24]

Answer:

1: is A

2: is C

Explanation:

1: because all other option would imply that the truck was not moved from from its previous position due to the lack of work / force exerted by the car

2: this is because the less dense ball will have less opposing force action on it causing it to move / accelerate / go at a faster speed

3 0
3 years ago
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 5.00 s, it rotates 14.8 rad. Du
11Alexandr11 [23.1K]

Answer:

Explanation:

Given:

Initial θ = 0 rad (from rest)

Final θ = 14.3 rad

Time, t = 5 s

B.

Angular velocity, w = dθ / dt

= (14.3 - 0)/5

= 2.86 rad/s

A.

Acceleration, ao = dw/dt

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Final angular velocity, wf = 2.86 rad/s

a = (2.86 - 0)/5

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3 0
3 years ago
Read 2 more answers
A train travels 98 kilometers in 4 hours, and then 61 kilometers in 3 hours. What is its average speed?
IrinaK [193]
Speed (velocity)=distance/time

V1=98km/4hr=24.5km/hr
V2=61km/3hr=20.3km/hr

Average speed (velocity)=total velocity/ number

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So the average speed is 22.4km/hr
6 0
3 years ago
2. The length of a day is based on the amount of time that
Serjik [45]

Answer:

the answer is B: earth takes to rotate once on its axis

6 0
3 years ago
Two speakers in a stereo emit identical pure tones. As you move around in front of the speakers, you hear the sound alternating
BigorU [14]

Answer:

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Explanation:

When two traveling waves traveling waves along the same path are superimposed(combine). The superimposition of these two waves results in the production of a resultant wave which is defined by the net effect of the two waves. Wave interference occurs most types of waves including radio wave, light, acoustic waves and other wave types. Alternating sound between loud and Zero is heard as the two speakers emit identical pure tones because the resultant amplitude after the interference of the two sound waves is the vector sum of each of their amplitudes. A loud sound is heard, when the crest of both waves meets each other and a zero is heard if the crest of one meets the trough of the other as they cancel out.

3 0
3 years ago
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