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nasty-shy [4]
3 years ago
7

How are EM waves and Mechanical waves different? * Check all that apply 5 points EM waves can travel through a vacuum. All EM wa

ves are transverse Mechanical waves must have a medium. All Mechanical waves are longitudinal. Some Mechanical waves are longitudinal.
Physics
1 answer:
Ludmilka [50]3 years ago
6 0

Particles transfer energy physically from one to the other either horizontally in a longitudinal wave, vertically in a transverse wave, or in circles in a surface wave. Waves can also be electromagnetic, which are always transverse and do not require a medium to propagate, like light waves traveling through space.

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What is the equivalent resistance of a circuit that contains two 50.00
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Answer:

A

Explanation:

Resistors in series add. There is only one path the current can take. That's why Christmas Tree lights sometimes give a lot of trouble. If a bulb burns out, it could be any one of them and time is needed to find the burned out bulb.

That being the case R = R1 + R2

R1 = 50 ohms

R2 = 50 ohms

R = 50 + 50

R = 100 ohms

Answer A

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the speed of the ball is 10 m/s

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what is the maximum speed of a 34-g object bouncing on a spring (k=78.1 N/m) with an amplitude of 3.5-cm?
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Answer:

The maximum speed of the mass is 1.67 m/s.  

Explanation:

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Mass of object is 34 g or 0.034 kg

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Amplitude attained by the object is 3.5 cm or 0.035 m

It is required to find the maximum speed of the object in this spring mass system. The maximum speed is given by :

v=A\omega

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v=A\sqrt{\dfrac{k}{m}}

Plugging all the values in above formula,

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