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Tema [17]
3 years ago
6

Why might compound gear trains be better than two gears alone?

Physics
1 answer:
mina [271]3 years ago
4 0

Answer:

the answer is there is more separation for the vitality to exchange; with just two apparatuses, all the vitality is applied on a shorter separation.  

Explanation:

Work done and vitality moved are estimated in joules (J). The work done on a protest can be figured if the power and separation moved are known. An adjustment in energy happens when a power is connected to a question that is moving or can move.Pulleys are ground-breaking straightforward machines. They can alter the course of a power, which can make it significantly simpler for us to move something. On the off chance that we need to lift a protest that gauges 10 kilograms one meter high, we can lift it straight up or we can utilize a pulley, so we can pull down toward one side to lift the question up.

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Elements are arranged in the periodic table based on various patterns. For example, the element magnesium (Mg) A. has a higher a
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The right answer is A just did the question.


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A student believes a metal rod will gain a negative static charge when
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Answer:

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Explanation:

3 0
3 years ago
What is the magnification of an astronomical telescope whose objective lens has a focal length of 74 cm and whose eyepiece has a
Novay_Z [31]

Answer:

The magnification of an astronomical telescope is -30.83.

Explanation:

The expression for the magnification of an astronomical telescope is as follows;

M=-\frac{f_o}{f_e}

Here, M is the magnification of an astronomical telescope, f_e is the focal length of the eyepiece lens and f_o is the focal length of the objective lens.

It is given in the problem that an astronomical telescope having a focal length of objective lens 74 cm and whose eyepiece has a focal length of 2.4 cm.

Put f_o=74 cm and f_e=2.4 cm in the above expression.

M=-\frac{74}{2.4}

M=-30.83

Therefore, the magnification of an astronomical telescope is -30.83.

5 0
3 years ago
1. In terms of momentum conservation, why does a cannon recoil when fired?
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