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Inga [223]
3 years ago
5

A longitudinal wave is transporting energy from south to north. the particles in the medium will move...

Physics
1 answer:
Alisiya [41]3 years ago
6 0

Answer:

north only

Explanation:

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Could friction
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Explanation:

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3 years ago
Which object is I’m equilibrium?
IrinaK [193]

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3 0
3 years ago
A group of hikers hear an echo 2.6 s after they shout. The temperature is 20 ◦C. How far away is the mountain that reflected the
Vadim26 [7]

Answer:

x = 445.9\,m

Explanation:

The velocity of sound in air at 20 °C is 343 meters per second. The distance of mountain can be derived by the following expression:

2\cdot x = v_{air}\cdot \Delta t

x = \frac{v_{air}\cdot \Delta t}{2}

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4 0
3 years ago
What was the initial speed of a car if its speed is 40 m/s after 5 seconds of
Monica [59]
We use the formula:
V= u + at

V- final velocity. U- intial velocity. A- acceleration. T- time

Note: velocity is speed in this question

Fill in values:
V= u + at
40= u + 4 x 5
40= u + 20
40 - 20 = u
u = 20m/s
3 0
3 years ago
Read 2 more answers
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