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Mademuasel [1]
3 years ago
8

WILL REWARD 20 more pts once solved

Physics
1 answer:
Mandarinka [93]3 years ago
8 0

Explanation:

step 1. a diverging lens is "concave" on both side and always has a negative focal length

step 2. so 1/f = 1/s + 1/s' where f is the focal length, s is the object location, and s' is the image location (f, s, s' are all on the left side of the lens)

step 3. 1/-15 = 1/s + 1/-9 (image is virtual (negative))

step 4. 3/-45 = 1/s + 5/-45

step 5. s = 22.5cm (object is 22.5cm from lens)

step 6. s'/s = 9/22.5 ÷ 0.4 (magnification)

step 7. if the object is 4.5cm then the image is 4.5(0.4) = 1.8cm tall.

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Arte-miy333 [17]

Answer:

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3 years ago
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olganol [36]
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2 years ago
A type of wave is mechanical - what's the other type?
ANEK [815]

Answer:

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8 0
2 years ago
a coil has n turns enclosing an area of a. in a physics laboratory experiment, the coil is rotated during the time interval δt f
Mrac [35]
The correct answer for the question that is being presented above is this one:

Phi = BAsin(theta) 
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<span>2. Phi(f) = 0 </span>
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Here are the follow-up questions:

<span>1. What is the total magnitude Phi_initial of the magnetic flux through the coil before it is rotated? </span>
<span>2. What is the magnitude Phi_final of the total magnetic flux through the coil after it is rotated? </span>
<span>3. What is the magnitude of the average emf induced in the coil?</span>
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viktelen [127]
This question has already previously been answered. :)

Here it is: brainly.com/question/2141424
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3 years ago
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