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Roman55 [17]
3 years ago
11

All matter is in constant motion True or False?

Physics
2 answers:
salantis [7]3 years ago
7 0

The answer is true. All matter is made up of very tiny particles that are in constant motion, and these particles are attracted to one another.

svlad2 [7]3 years ago
4 0
True the answer is true
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The orbitals can be found by counting down the _____.
KengaRu [80]
I think it's B for electrons
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In the real word what is the terminal velocity
olga55 [171]
Based on wind resistance?
5 0
4 years ago
Two identical traveling waves, moving in the same direction, are out of phase by π/5.0 rad. What is the amplitude of the resulta
andreev551 [17]

Answer:

Therefore the amplitude of the resultant wave is =0.95 y_m

Explanation:

The equation of wave:

y=A sin (kx-ωt)

For wave 1:

y₁=A sin (kx-ωt) = y_{m}sin (kx-ωt)

For wave 2:

y₂=A sin (kx-ωt+Φ) = y_{m}sin (kx-ωt+Φ)

Where A= amplitude=y_m

The angular frequency \omega=\frac{2\pi}{T}

k=\frac{2\pi}{\lambda} , \lambda= wave length.

t= time

T= Time period

\phi = phase difference =  \frac{\pi}{5}

The resultant wave will be

y = y₁ + y₂

 =y_m sin (kx-ωt) + y_m sin (kx-ωt+Φ)

 =y_m {sin (kx-ωt) + sin (kx-ωt+Φ)}

 =y_m\  sin(\frac{kx-\omega t +\phi + kx-\omega t }2)\ cos(\frac{kx-\omega t  +\phi -kx+\omega t}2)

 =y_m\  sin({kx-\omega t +\frac\phi 2)\ cos(\frac{\phi }2)

=y_m\ cos(\frac{\phi }2) sin({kx-\omega t +\frac\phi 2)

Therefore the amplitude of the resultant wave is

=y_m\ cos(\frac{\phi }2)

=y_m\ cos(\frac{\pi }{10})

=0.95 y_m

6 0
4 years ago
11. What is the power output of a student who completes 86 J of work in 4 seconds?
Vika [28.1K]

Answer:

P=21.5Watts

Explanation:

Use P=w/t

So, P=86j/4s = 21.5w

8 0
3 years ago
Question 1 (1 point)
IrinaK [193]
  1.  momentum  
  2. Yes, if the elephant is standing still.
  3. Fullback  
  4. impulse acting on it.  
  5. 2.25 N∙s
  6. A cannon firing.
  7. Inelastic  
  8. it stays the same
  9. When the cue ball contacts the other balls, momentum is transferred causing them to gain momentum and speed.
  10. less than 3 m/s      
<h3><u><em>these are all correct i got an 100%</em></u><em><u> </u></em></h3>
8 0
3 years ago
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