Alens forms an image of an object. the object is 16.0 cm from the lens. the image is 12.0 cm from the lens on the same side as the object.
(a) what is the focal length of the lens? is the lens converging or diverging?
(b) if the object is 8.50 mm tall, how tall is the image? is it erect or inverted?
(c) draw a principal-ray diagram.
Answers: 2
Physics, 21.06.2019 23:30, supernova69
In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door
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Physics, 22.06.2019 11:30, azduce
(2) (a) you have a simple circuit that consists of only a battery (δvbat=1.5v) and two resistors with resistance r1=10ω and r2=5ω, connected in series with each other. what is the current running through the battery? (b) you re-arrange your circuit so now r2 is attached in parallel to r1 rather than in series. what is the current running through the battery? (c) you add an additional resistor r3=7ω on the same branch as r2. what is the current running through the battery? (d) what is the power dissipated in r3?
Answers: 3
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