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elena-14-01-66 [18.8K]
2 years ago
5

What is frequency measured in? What is the amplitude?

Physics
1 answer:
lesya [120]2 years ago
7 0

Answer:

The units of frequency are hertz. As 1 hertz is equal to one cycle per second.

Amplitude is the maximum displacement of the waves or the distance from rest to crest and is measured in meters or centimeters or millimeters.

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A parallel-plate capacitor consists of plates of area 1.5 x 10^-4 m^2 separated by 2.0 mm The capacitor is connected to a 12-V b
Katen [24]

Answer:

4.78 x 10^-11 J

Explanation:

A = 1.5 x 10^-4 m^2

d = 2 mm = 2 x 10^-3 m

V = 12 V

Let C be the capacitance of the capacitor

C = ε0 A / d

C = (8.854 x 10^-12 x 1.5 x 10^-4) / (2 x 10^-3)

C = 6.64 x 10^-13 F

Energy stored, U = 1/2 CV^2

U = 0.5 x 6.64 x 10^-13 x 12 x 12

U = 4.78 x 10^-11 J

4 0
3 years ago
Is a bike standing still potential or kinetic?
BartSMP [9]

Answer:

potential

Explanation:

Potential energy is stored

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3 years ago
Which example shows energy?
olasank [31]

D because u r using your energy to do all the things

4 0
3 years ago
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A person riding a bike has an initial velocity of 10 meters per second and accelerates at a constant rate of 2 meters per second
Montano1993 [528]

After 5 seconds, the person would have travel 75 m

<h3>What is acceleration? </h3>

This is defined as the rate of change of velocity which time. It is expressed as

a = (v – u) / t

Where

  • a is the acceleration
  • v is the final velocity
  • u is the initial velocity
  • t is the time

<h3>How to determine the final velocity</h3>

We'll begin by obtaining the final velocity of the person. This can be obtained as follow:

  • Initial velocity (u) = 10 m/s
  • Acceleration (a) = 2 m/s²
  • Time (t) = 5 s
  • Final velocity (v) = ?

a = (v – u) / t

2 = (v – 10) / 5

Cross multiply

v – 10 = 2 × 5

v – 10 = 10

Collect like terms

v = 10 + 10

v = 20 m/s

<h3>How to determine the distance travelled</h3>

The distance travelled can be obtained as follow:

  • Initial velocity (u) = 10 m/s
  • Final velocity (v) = 20 m/s
  • Acceleration (a) = 2 m/s²
  • Distance (s) = ?

v² = u² + 2as

Collect like terms

2as = v² - u²

Divide both sides by 2a

s = (v² - u²) / 2a

s = (20² - 10²) / (2 × 2)

s = 75 m

Thus, the distance travelled by the person is 75 m

Learn more about velocity:

brainly.com/question/3411682

Learn more about acceleration:

brainly.com/question/491732

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7 0
2 years ago
You will often have to pay a small fee<br> to obtain a web address.<br> True<br> False
CaHeK987 [17]

Answer:

true?

Explanation:

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3 years ago
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