Where must the object and image be
Using a 60 cm focal length converging lens, one wishes to obtain a virtual image which is four times as large as the object. Where must the object and image be?
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A mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.24 cm. a) If the spring constant is 234 N/m and the mass is 0.580 kg, determine the mechanical energy of the system.
A balloon filled with helium, initially at 27 degree C and 1 bar. is released and rises in the atmosphere until the helium is at 17 degree C and 0.9 bar.
A virtual image is formed by a convex mirror that has a 30 cm focal length. Where must the object be placed if the image size is to be half the size of the object? Verify with a ray diagram.
Determine: The mass of air in the room, in Ibm, The air temperature, in degree F, and pressure, in psia. after the fan has operated steadily for 30 minutes.
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If the frequency is variable and the length of the closed (at both ends) tube is fixed at 45 cm, sketch the plastic tube showing the positions of the nodes and anti-nodes for the three lowest resonant frequencies.
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