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antoniya [11.8K]
3 years ago
12

A 22.0 ohm and 75.0 ohm resistor are

Physics
2 answers:
larisa [96]3 years ago
7 0

total resistance 97 ohms

ohm's law   5= 97 (I)

I= 5/97 A = 0.0515 A

Diano4ka-milaya [45]3 years ago
3 0

Answer:0.294

Explanation: right in acellus

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How is sound produced? Name its three<br>characteristics.​
nydimaria [60]

Answer:

1.loudness

2.pitch

3.shrillness

5 0
4 years ago
What is the net force on an object<br> at rest?
Natasha2012 [34]

Answer:

Net force equals 0

Explanation:

Newton's first law states that an object at rest tends to remain at rest, and an object in motion tends to remain in motion with a constant velocity (constant speed and direction of motion), unless it is acted on by a nonzero net force. Note that the net force is the sum of all the forces acting on an object.

4 0
4 years ago
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While eating a peanut butter and jelly sandwich peanut butter drips on Dana shirt she tries to remove the peanut butter from her
MakcuM [25]

Answer:

The water does not remove the peanut butter because the peanut butter is thicker substance than the water is, therefore it would not remove immediately.. It could also be because the brown dye or color in the peanut butter color or the peanut butter itself has already gone through her clothing Dana would have to remove it as much as she could with a towel water and some soap then throw it to the washer afterward.

Hope this helps, good luck:)

6 0
4 years ago
Each piston of an engine makes a sharp sound every other revolution of the engine. How fast is a race car going if its eight-cyl
goldfiish [28.3K]

Answer:

93.75 m/s

Explanation:

Given:

The frequency of the sound = 750 Hz

The number of pistons making the sound = 8

Revolutions made by the engine = 2000 revolutions/ km

Thus,

the frequency of sound by 1 piston = 750 / 8  = 93.75 Hz

also, it is given that for every other revolution sound is made.

thus, for every 2 revolution sound is made

therefore,

Number of revolutions per second = 93.75 Hz × 2 = 187.5 rev/s

Now,

the speed of the car will be calculated as:

= Number of revolutions per second / Revolutions made by the engine

or

The speed of the car = \frac{187.5\ rev/s}{2000\ rev/km}

or

The speed of the car = 0.09375 km/s = 93.75 m/s

3 0
3 years ago
A 85.0kg man and a 65, 0kg woman are riding a Ferris wheel with a radius of 20.0m. What is the Ferris wheels tangential velocity
zvonat [6]

Answer:

The Ferris wheel's tangential (linear) velocity if the net centripetal force on the woman is 115 N is <u>3.92 m/s</u>.

Explanation:

Let's use <u>Newton's 2nd Law</u> to help solve this problem.

  • F = ma

The force acting on the Ferris wheel is the centripetal force, given in the problem: F_c=115 \ \text{N}.

The mass "m" is the <u>sum</u> of the man and woman's masses: 85+65= 150 \ \text{kg}.

The acceleration is the centripetal acceleration of the Ferris wheel: a_c=\displaystyle \frac{v^2}{r}.

Let's write an equation and solve for "v", the tangential (linear) acceleration.

  • \displaystyle 115=m(\frac{v^2}{r} )
  • \displaystyle 115 = (85+65)(\frac{v^2}{20})
  • \displaystyle 115=150(\frac{v^2}{20} )
  • .766667=\displaystyle(\frac{v^2}{20} )
  • 15.\overline{3}=v^2
  • v=3.9158

The Ferris wheel's tangential velocity is 3.92 m/s.

8 0
2 years ago
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