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Natasha2012 [34]
3 years ago
14

2 Points What type of image is formed by a lens if m= -0.87?

Physics
1 answer:
aksik [14]3 years ago
4 0

Answer:

Virtual image

Explanation:

Virtual image is formed whenever the rays of an object diverges

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Dry air will break down if the electric field exceeds 3.0*10^6 V/m. What amount of charge can be placed on a parallel-plate capa
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Answer:

The charge on each plate of the capacitor is 19.38 \mu C

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Solution:

According to the question:

Critical value of Electric field, E_{c} = 3.0\times 10^{6} V/m

Area of each plate of capacitor, A_{p} =73 cm^{2} = 73\times 10^{- 4} m^{2}

Now, the amount of charge on the capacitor's plates can be calculated as:

Capacitance, C  = \frac{epsilon_{o}\times Area}{Distance, D}        (1)

Also, Capacitance, C = \frac{charge, q}{Voltage, V}

And

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So, from the above relations, we can write the eqn for charge, q as:

q = \epsilon_{o}\times E_{c}\times A_{p}

q = 8.85\times 10^{- 12}\times 3.0\times 10^{6}\times 73\times 10^{- 4}

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Answer:

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Both the butterfly and the large car will have equal forces but in opposite direction.

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Learn more about Newton's third law of motion here: brainly.com/question/25998091

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