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When an objectis placed 132cm from diverging thin lens, itsimage is found to be 66 cm from the lens. The lens is removed, andreplaced by a thin converging lens whose focal lenght is the samein absolute value as the diverging lens. This second lens is atthe original position of the first lens. Where is the image of the object now?
One mole of an ideal monatomic gas is expanded adiabatically and quasi-statically from a pressure of 1,172 kPa and a temperature of 273 K to a pressure of 279 kPa. What is the final volume of the gas in cubic metres?
A hydrogen atom is in its eighth excited state, corresponding to n = 9. Find the radius of the electron's Bohr orbit
You are holding a conducting loop of copper and looking at its circle. Behind it is a long current-carrying wire carrying the current from left to right. what is the direction of current flow if any
A ladder 8.00 m long leans against the side of a building, what is the horizontal distance from the bottom of the ladder to the building
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air. determine the recoil velocity
A girl pulls a box of mass m = 6 kg across a floor with a constant horizontal force F = 22 N. Initially the block is at rest. For the first d1 = 7 m, What is work done on the box by friction in moving the box over the distance d1 + d2
A high diver of mass 80.0 kg jumps off a board 10.0 m above the water. what average upward force did the water exert on him
A space traveler weighs 580 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
In a torus of inner radius 1.0m and outer radius 1.5m, a toroidal magnetic field of strength 5.0 tesla is required in the middle (i.e at R = 1.25m). Calculate the current that must pass through the wire to produce the required magnetic field
A model car is propelled by a cylinder of carbon dioxide gas. The cylinder emits gas at a rate of 4.5 grams/second with an exit speed of 80.0 m/s. what is the car's initial acceleration
Four length measurements are carried with the following results: 4.5 cm, 4.2 cm, 4.8 cm, and 4.4 cm. What is your best estimate of the true length. What is the standard deviation of the measurements
questionrefrigerant is flowing while a frac34 inch o.d. copper tube under conditions such that its mixed temperature is
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