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Bingel [31]
2 years ago
13

Please do as the instructions say. Will give brainliest

Physics
1 answer:
lawyer [7]2 years ago
4 0

Answer:

11. 3rd law 12. 2nd law 13. 2nd law 14. 1st law 15. 3rd law 16. 1st law 17. 3rd law

18. 1st law 19. 2nd law

Explanation:

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8 0
3 years ago
Explain how you can cause light separated by a prism to combine
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I hope that this was helpful for you.
7 0
3 years ago
An automobile steering wheel is shown. What is the ideal mechanical advantage? If the AMA is 8, what is the efficiency of the st
Mars2501 [29]

1. Ideal Mechanical Advantage (IMA): 9

Explanation:

For a wheel and axle system like the steering wheel, the IMA is given by:

IMA=\frac{r_w}{r_a}

where

r_w is the radius of the wheel

r_a is the radius of the axle

For the steering wheel of the problem, we see that r_w = 18 cm and r_a=2 cm, so the IMA is

IMA=\frac{18 cm}{2 cm}=9


2. Efficiency: 88.9%

Explanation:

The efficiency of a system is defined as the ratio between the AMA (actual mechanical advantage) and the IMA:

\eta=\frac{AMA}{IMA}\cdot 100

In this problem, AMA=8 and IMA=9, so the efficiency is

\eta=\frac{8}{9}\cdot 100=88.9\%


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3 years ago
What are close-toed shoes least likely to provide protection against?
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Hydrogen gas is harmless to your feet so since you don’t need protection against it that seems the best answer.
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