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AleksAgata [21]
3 years ago
9

Your friend tells you they think it would be cool to have band practice on the moon. Is it possible to hear the band play on the

moon? Why or why not?
Physics
2 answers:
Yakvenalex [24]3 years ago
6 0
Sound though open space (and other compressible media) is composed of compression waves. Lack of any such media, such as the vacuum of space means the sound waves have nothing to propagate through. So there would be no sound. <span>it's also virtually impossible since there's no electricity</span>
3241004551 [841]3 years ago
3 0
That wouldn't be possible.

Because the moon has no atmosphere, which means there is no gas, you wouldn't be able to hear it. The reason we hear sound on Earth is that the Earth has an atmosphere so there is gas in which acts as a medium for sound to travel through.
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What is the kinetic energy of a 36N toy car which is moving at 5 m/s?
vagabundo [1.1K]
Correct option is
C
y
max
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=11 m
Work done =mgh

2
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×base×height=mgh
(area under the curve is work done)

2
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×11×100=5×10×h

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3 0
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Convert 67km/hr to m/s​
laiz [17]

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4 years ago
A dock worker applies a constant horizontal force of 81.0 N to a block of ice on a smooth horizontal floor. The frictional force
AnnZ [28]

Answer:

The correct answer is:

(a) 84.240 kg

(b) 24.038 m

Explanation:

The given values are:

Force,

F = 81.0 N

Distance,

S = 13.0 m

Time,

t = 5.20 s

As we know,

The acceleration of mass will be:

⇒  a=\frac{2S}{t^2}

On substituting the given values, we get

⇒     =\frac{2\times 13.0}{(5.20)^2}

⇒     =\frac{26}{27.04}

⇒     =0.961538 \ m/s^2

(a)

The mass of the block will be:

⇒  m=\frac{F}{a}

On substituting the given values, we get

⇒       =\frac{81.0}{0.961538}

⇒       =84.240 \ kg

(b)

The final velocity after a given time i.e.,

t = 5.00 s

⇒  v=at

On substituting the values, we get

⇒     =0.961538\times 5.00

⇒     =4.8076 \ m/s

In time, t = 5.00 s

The distance moved by the block will be:

⇒  d=vt

On putting the values, we get

⇒     =4.8076\times 5.00

⇒     =24.038 \ m

5 0
3 years ago
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Their probably dead but I’m not sure
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