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lisov135 [29]
3 years ago
14

Can flexible objects transfer electrical energy

SAT
1 answer:
dybincka [34]3 years ago
3 0

Answer:Examples of energy transfers include:

A swinging pirate ship ride at a theme park. Kinetic energy is transferred into gravitational potential energy.

A boat being accelerated by the force of the engine. ...

Bringing water to the boil in an electric kettle.

Explanation:

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Max (mass = 15 kg) is hanging from one end of a 13-m long bungee cord that has its other end fixed to a bridge above. The bungee
Rashid [163]

The stress experimented by the bungee cord due to Max's weight is approximately 299.680 kilopascals.

<h3>How to find the stress experimented by the bungee cord</h3>

Let suppose that the stress (\sigma), in pascals, experimented by the bungee cord is entirely <em>elastic </em>and <em>uniform</em>. By Newton's Laws we know that the tension (T), in newtons, experimented by the cord equals Max's weight. The stress on the bungee cord is axial and is described by following formula:

\sigma = \frac{m\cdot g}{\frac{\pi\cdot D^{2}}{4} }   (1)

Where:

  • m - Max's mass, in kilograms
  • g - Gravitational acceleration, in meters per square second
  • D - Diameter of the circular cross section, in meters

If we know that m = 15\,kg, g = 9.807\,\frac{m}{s^{2}} and D = 0.025\,m, then the stress experimented by the bungee cord is:

\sigma = \frac{(15\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}{\frac{\pi}{4}\cdot (0.025\,m)^{2} }

\sigma \approx 299679.845\,Pa\, (299.680\,kPa)

The stress experimented by the bungee cord due to Max's weight is approximately 299.680 kilopascals. \blacksquare

To learn more on stress, we kindly invite to check this verified question: brainly.com/question/1178663

4 0
2 years ago
Poor parenting and child rearing can be strengthened by inconsistent family rules.
Trava [24]

Answer:

False

Explanation:

Consistent family rules strengthen child rearing, not inconsistent

3 0
2 years ago
Pls help this is a major test so pls don’t guess
Mrac [35]
The answer is $15.25
6 0
3 years ago
Read 2 more answers
Which statement explains why br2 is a liquid at stp and i2.
Damm [24]

Answer:

(2) Molecules of I2 are polar, and molecules of Br2 are nonpolar.

(3) Molecules of Br2 have stronger intermolecular forces than molecules of I2.

(4) Molecules of I2 have stronger intermolecular forces than molecules of Br2.

None

Explanation:

5 0
2 years ago
Suppose anna earns $38.50 to walk the neighbor's dog 7 hours during the week. how much does anna earn per hour? a) $4.25 b) $4.8
Viktor [21]

Answer:

5.50

Explanation:

just divide 38.50 by 7

5 0
2 years ago
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