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liq [111]
3 years ago
5

When an object with a height of 0.10 meter is placed at a distance of 0.20 meter from a convex

Physics
2 answers:
seraphim [82]3 years ago
8 0

Answer:

h = 0.1 m = 10 cm

u = 0.2 m = 20 cm

v = 0.06 m = 6 cm

m = h'/h = v/u

h'/10 = 6/20

h' = 60/20 = 3 cm

Therefore image height = 3 cm(0.03 m)

Hope this helps!

mestny [16]3 years ago
8 0

Answer:

{"version":"1.1","math":"\frac{h_i}{h_o} =\frac{s_i}{s_o}"}

{"version":"1.1","math":"\frac{h_i}{0.10\text{ m} =\frac{0.06\text{ m}{0.02\text{ m}"}

Multiply each side of this equation by 0.10.

{"version":"1.1","math":"0.10 \times \left(\frac{h_i}{0.10}=\frac{0.06}{0.20}\right)\times 0.10"}

{"version":"1.1","math":"h_i=\frac{0.006}{0.20}"}

hi = 0.03 m

Explanation:

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Question:

The operations manager for a well-drilling company must recommend whether to build a new facility, expand his existing one, or do nothing. He estimates that long-run profits (in $000) will vary with the amount of precipitation (rainfall) as follows:

Alternative             Precipitation                                

                        Low                Normal                 High

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Expand           350                       500                   200

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If he feels the chances of low, normal, and high precipitation are 30 percent, 20 percent, and 50 percent respectively, What is EVPI (Expected value of Perfect Information)?

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B. $170,000

C. $285,000

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D. $170,000

Explanation:

The expected long run profits are  for

                        Low                Normal                 High

Do nothing    -100*0.3                100*0.2                   300*0.5 = 140

Expand           350*0.3                500*0.2                  200*0.5 = 305

Build new       750*0.3                300*0.2                  0*0.5    = 285

Therefore the expected long run profits are

$140,000

$305,000

$285,000

Based on his selected option being either to build new or to expand, the most profitable option is to expand

=$305,000

EVPI = EPPI-EMV =$170,000

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