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nexus9112 [7]
2 years ago
9

A stretched rubber band is an example of which type potential energy

Physics
2 answers:
Alenkinab [10]2 years ago
6 0

Answer: elastic potential energy

Explanation:

Kazeer [188]2 years ago
6 0

Answer:

<h3>Elastic potential energy</h3>

Explanation:

A stretched rubber band has the potential to do work or change things. This form of energy is called elastic potential energy.

<h2>❣️✧Jess bregoli ✧❣️</h2>

<h3>#keep learning!!</h3>
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A machine
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Answer:

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Explanation:

To be able to solve this problem we must first find the work done. Work is defined as the product of force by distance.

W = F*d

where:

W = work [J] (units of Joules)

F = force [N] (units of Newton)

d = distance [m]

We need to bear in mind that the force can be calculated by multiplying the mass by the gravity acceleration.

Now replacing:

W = (80*10)*3\\W = 2400 [J]

Power is defined as the work done over a certain time. In this way by means of the following formula, we can calculate the required power.

P=\frac{W}{t}

where:

P = power [W] (units of watts)

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The calculated power is the required power. Now as we have the efficiency of the machine, we can calculate the power that is introduced, to be able to do that work.

Effic=0.7\\Effic=P_{required}/P_{introduced}\\P_{introduced}=60/0.7\\P_{introduced}=85.71[W]

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A helicopter is hovering at a constant height of 35 m. The upward lift force on the helicopter is 85500. What is the weight of t
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if a spring has a spring constant of 2 N/m and it is stretched 5 cm, what is the force of the spring?
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Explanation:

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