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azamat
3 years ago
14

How much heat is needed to raise the temperature of 9g of water by 18oC?

Physics
1 answer:
nydimaria [60]3 years ago
4 0

602.496 J I think, I hope this helps!

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A good thermal conductor ​
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The concentration of sodium and potassium ions in the blood and body fluid is regulated by :
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3 years ago
You use a lever to lift a heavy tree branch you apply a force of 50 n and the lever lifts the branch
valentinak56 [21]

1.8 is the mechanical advantage of the lever.

<h3>Definition of mechanical advantage</h3>

The theoretical mechanical advantage of a system is the ratio of the force that performs the useful work to the force applied, assuming there is no friction in the system.

The advantage gained by the use of a mechanism in transmitting force specifically the ratio of the force that performs the useful work of a machine to the force that is applied to the machine.

Mechanical advantage is given by the ratio of the load lifted to the force applied to lift the load.

In this case, Mechanical advantage=L/E where L is the load and E is the effort applied.

Mechanical advantage= 90/50 =1.8

Question-you use a lever to lift a heavy tree branch. you apply a force of 50 n and the lever lifts the branch with a force of 90 n. what is the mechanical advantage of the lever?

To learn more about the Mechanical advantage visit the link

brainly.com/question/16617083

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1 year ago
Which of the following is the best definition of vectors?
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The answer is a. Hope this helps :)
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