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TEA [102]
3 years ago
13

Anyone know the answer

Physics
1 answer:
Elena L [17]3 years ago
5 0
it forms a system because a system contains two or more organs or structures 
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The notes produced by a tuba range in frequency from approximately 45 Hz to 375 Hz. Find the possible range of wavelengths in ai
taurus [48]

Answer:

The possible range of wavelengths in air produced by the instrument is 7.62 m and 0.914 m respectively.

Explanation:

Given that,

The notes produced by a tuba range in frequency from approximately 45 Hz to 375 Hz.

The speed of sound in air is 343 m/s.

To find,

The wavelength range for the corresponding frequency.

Solution,

The speed of sound is given by the following relation as :

v=f_1\lambda_1

Wavelength for f = 45 Hz is,

\lambda_1=\dfrac{v}{f_1}

\lambda_1=\dfrac{343}{45}=7.62\ m

Wavelength for f = 375 Hz is,

\lambda_2=\dfrac{v}{f_2}

\lambda_2=\dfrac{343}{375}=0.914\ m/s

So, the possible range of wavelengths in air produced by the instrument is 7.62 m and 0.914 m respectively.

6 0
4 years ago
a bear has a mass of 500kg and 100,000 J of mechanical kinetic energy. what is the speed of the bear?
3241004551 [841]

Answer: v = 20 m/s

Explanation: Solution:

Use the formula of Kinetic Energy and derive for v:

KE = 1/2 mv²

To find v:

v = √ 2 KE / m

  = √ 2 ( 100000 J ) / 500 kg

  = √ 400 m/s

  = 20 m/s

7 0
4 years ago
Can someone answer questions 1-3 please.
Lunna [17]

Answer:

Question 1 is C.

thats all ik

Explanation:

4 0
3 years ago
If you want to find the amount of energy electrically transferred, multiply the charge by the... what?​
Rama09 [41]
Nuts :D yaaaaaaaaay les gooo
8 0
3 years ago
Read 2 more answers
Determine the value of the force exerted by the surface (normal force) on a
Advocard [28]

Answer:

53.5 N

Explanation:

Vertical component of the F force   50 sin30    = 25 N  upward

   force of gravity = m g = 8 * 9.81 =78.5 N Downward

NET downward force by block on table = net upward force exerted by table =  78.5 -25 =53.5 N

8 0
2 years ago
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