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jasenka [17]
3 years ago
5

Rosa listed some advantages and disadvantages of using renewable resources. Which best describes Rosa’s error?

Physics
2 answers:
Vlada [557]3 years ago
5 0
One disadvantage<span> with </span>renewable energy<span> is that it is difficult to generate the quantities of electricity that are as large as those produced by traditional fossil fuel generators

One advantage</span><span> with renewable energy is that as it is renewable it is therefore sustainable and so will never run out.

I dont know who you are referring to as "rosa" i hope this helps  


</span><span>
</span>
mixas84 [53]3 years ago
3 0

Wind is not a reliable source of energy  

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You are investigating an elevator accident which happened in a tall building. An elevator in this building is attached to a stro
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Answer:

a) F = 2250 Ib

b) F = 550 Ib

c) new max force ( F newmax ) = 2850 Ib

Explanation:

A) The force the wall of the elevator shaft exert on the motor if the elevator starts from rest and goes up

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counterweight = 1000 Ibs

To calculate the force (F) :

we first calculate the Tension using this relationship

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T = 1250 Ib

F = 2400 -1250 - 2400/ 4

F = 550 Ib

C ) determine design limit

Max = 2400 * 1.2 = 2880 Ib

750 + new force - 2880 = 2880 / 4

new max force ( F newmax ) = 2850 Ib

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3 years ago
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need a picture to answer specific questions.

Explanation:

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