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Kisachek [45]
3 years ago
14

4. Darcy installed a motion-activated outdoor light so that it would light a path to

Mathematics
1 answer:
Blababa [14]3 years ago
5 0

Answer:In the path of a uniform light beam of large cross-sectional area and intensity I. a solid sphere of redius R which is perfectly reflecting is placed . Find the force exerted on this sphere due to the light beam.

Step-by-step explanation:

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What is the solution of the following system
AleksAgata [21]

Step-by-step explanation:

8x + 14y = 4 ...1

-6x - 7y = -10 ...2

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-12x -14y = -20 ...3

...1 + ...3

8x + 14y +(-12x -14y) = 4 +(-20)

8x + 14y - 12x -14y = 4 - 20

-4x = -16

x = (-16)/(-4)

= 4

replace x in ...1 or ...2 you will reserve y value

and answer in the term of (x,y)

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3 years ago
What is the final transformation in the composition of transformations that maps pre-image ABCD to image A"B'C"D"?
tatyana61 [14]

Answer: c. a 270° rotation about point B'

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3 years ago
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if two dice are thrown together , what is the probability of getting an even number on one die and odd number on the other die ?
Veronika [31]

Answer:

1/2

Step-by-step explanation:

the probability of the die rolling an even number  =  the probability of the die rolling an odd number  =1/2

Let us name these  2  dice as  A  and  B

One die can roll an even and the other can roll an odd, in the following cases

A  rolls even and  B  rolls odd. The probability of this happening  =1/2×1/2

A  rolls odd and  B  rolls even. The probability of this happening  =1/2×1/2

∴  The required probability

=1/2×1/2+1/2×1/2

=1/4+1/4

=1/2

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2 years ago
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Is that the whole problem?
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