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jeyben [28]
2 years ago
5

a _______ wave is a mechanical wave in which particles of the medium vibrate in a direction that is parallel to the direction in

which the waves travel
Physics
2 answers:
Helga [31]2 years ago
6 0
The answer is Longitudinal
spayn [35]2 years ago
3 0

sound waves!

sound waves are always mechanical and they vibrate!

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A snail can move approximately 0.30 meters per minute. How many meters can the snail cover in
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Distance = velocity (or speed) x time
so, distance = 0.30 meters.min x 15 mins
distance = 4.5 meters 
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5 0
2 years ago
A motorcycle accelerates uniformly from rest at 7.9\,\dfrac{\text{m}}{\text{s}^2}7.9 s 2 m ​ 7, point, 9, space, start fraction,
8090 [49]

Answer:

t = 3.516 s

Explanation:

The most useful kinematic formula would be the velocity of the motorcylce as a function of time, which is:

v(t) = v_0 +at

Where v_0 is the initial velocity and a is the acceleration. However the problem states that the motorcyle start at rest therefore v_0 = 0

If we want to know the time it takes to achieve that speed, we first need to convert units from km/h to m/s.

This can be done knowing that

1 km = 1000 m

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Therefore

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100 km/h = 27.777... m/s

Now we are looking for the time t, for which v(t) = 27.77 m/s. That is:

27.777 m/s = 7.9 m/s^2 t

Solving for t

t = (27.7777 / 7.9) s = 3.516 s

6 0
3 years ago
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