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Physics II: Lenses Two converging lenses, each has focal length of +20 cm. They are separated by a distance of 70 cm. An object is held at distance 30 cm in front of the first lens. Find the final image by lens #2, location, size, and nature (e.g., upright, inverted, etc.) and the total magnification. SHOW ALL STEPS with DIAGRAM.
The height of the lower part of the container is 2.5-m and the neck contains a column of water 8.50-m high. The total volume of the column of water in the neck is 0.200 m^3. What is the magnitude of the force exerted by the water on the bottom of ..
there are three masses m1 2.0 kg m2 5.0 kg and m3 7.0 kg. the mass are all affixed to a massless rod of length 15cm.
An airplane traveling at half the speed of sound emits a sound of frequency 5.45 kHz. At what frequency does a stationary listener hear the sound
A thin rod has a length of 0.684 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. what is the change in the angular velocity of the rod
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 32.5 dB. What is the intensity delivered to the eardrum
A ship sets out to sail to a point 156 km due north. An unexpected storm blows the ship to a point 118 km due east of its starting point. How far should it now sail to reach its original destination.
In an amusement park rocket ride cars are suspended from 4.25 m cables attached to rotating arms at a distance of 6.00m from the axis of rotation. What is the angular speed of rotation
Dan is gliding on his skateboard at 4.00m/s . He suddenly jumps backward off the skateboard, How fast is Dan going as his feet hit the ground
Assume that a spacecraft lands on an asteroid and bores a hole perpendicular to its surface, what is the circumference and radius of that asteroid
A bolt on an engine is to be tightened with a maximum torque of 75 Nm. If a wrench has a length of 0.30 m, what is the maximum force perpendicular to the length
A hand-cranked AC generator is used to cause 0.65 A of current (rms), What is the minimum average rate at which work must be done on the generator
We compared two cases: single phase delivery (call the wasted power P1), and 2-phase delivery (P2), Find the ratio P1/P2 when load 1 = 3.1 A, load 2 = 7.4 A, and each delivery wire has a resistance of 0.25 ohm
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