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KengaRu [80]
4 years ago
5

Which description does the phrase "mechanical advantage" most closely relate to?

Physics
1 answer:
spayn [35]4 years ago
7 0
Mechanical advantage- the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine<span>.</span>
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True

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Golden Rice is an example of genetically modified organism.

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4 years ago
What is water potential???​
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As an object falls freely toward the earth, the momentum of the object-earth system (1) decreases (2) increases (3) remains the
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The best and most correct answer among the choices provided by your question is the third choice or number 3.

<span>As an object falls freely toward the earth, the momentum of the object-earth system remains the same.</span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
4 0
3 years ago
A 3 kg penguin is pushed by his penguin friends who give him an initial speed vo at the top of a 30 m hill. The penguin is hopin
Strike441 [17]

Answer:

This question can be answered by using conversation of energy.

K_1 + U_1 = K_2 + U_2

\frac{1}{2}mv_{0}^2 + mgh_1 = 0 + mgh_2

\frac{1}{2}(3)v_0^2 + (3)(9.8)(30) = (3)(9.8)(45)\\\frac{1}{2}(3)v_0^2 = 441\\v_0^2 = 294\\v_0 = 17.14 m/s

Explanation:

Note that we take K_2 = 0 because we are looking for the minimum initial speed for the penguin to reach the top of the second hill. Any other speed more than this will already be enough for him.

7 0
4 years ago
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