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MAXImum [283]
2 years ago
15

The table below shows the speed of sound waves from musical sound sources at 20°C. Which conclusion can be made based on the inf

ormation in the table? Wave speed and wavelengths can vary inversely to produce the same frequency. Frequency and wave speed can vary directly to produce the same wavelength. Wavelengths and frequency can vary inversely to produce the same wave speed. Frequency and wavelengths can vary directly to produce the same wave speed. Mark this and return
Physics
2 answers:
slamgirl [31]2 years ago
7 0

Answer:

c

Explanation:

KatRina [158]2 years ago
6 0

Answer:

C

Explanation:

Took it on edg

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Which of the following has the same unit as the moment of force?
saw5 [17]

Answer:

Work

Explanation:

Units are

kg {m}^{2}  {s}^{ - 2}  = newtons \times meter

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3 years ago
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A basketball is tossed upwards with a speed of 5.0 m/s. ​We can ignore air resistance.
FinnZ [79.3K]

We have that  the maximum height reached by the basketball from its release point is

S=1.3m

From the question we are told

  • A basketball is tossed upwards with a speed of 5.0 m/s. ​We can ignore air resistance.  
  • What is the maximum height reached by the basketball from its release point?

Generally the Newtons equation for Motion  is mathematically given as

V^2=u^2+2as\\\\Therefore\\\\0=25-19.6*S\\\\S=\frac{25}{19.6}\\\\S=1.276

S=1.3m

Therefore

The maximum height reached by the basketball from its release point is

S=1.3m

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4 0
2 years ago
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scoray [572]
Jim walks 7 miles from the starting point to the end point
i guess so
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3 years ago
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The skateboarder weighs 75 kilogram. Calculate the potential energy of the skateboarder sliding on the track when his height abo
ArbitrLikvidat [17]

Answer:F(of gravity) = MA

F(normal force) = MA * cos(angle)

F = 72 * 9.81 * cos28

Don't have a calculator, so can't really do all the math right there. So just plug that in

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3 years ago
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A turntable must spin at 33.4 rpm (3.50 rad/s) to play an old-fashioned vinyl record. how much torque must the motor deliver if
Westkost [7]
In order to compute the torque required, we may apply Newton's second law for circular motion:
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For this, we require the angular acceleration, α. We may calculate this using:
α = Δω/Δt
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time = 1.80 seconds

α = (3.5 - 0) / 1.8
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The moment of inertia of a thin disc is given by:
I = MR²/2
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τ = 1.94 * 0.002
τ = 0.004

The torque is 0.004
4 0
3 years ago
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