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Object O1 is 13.7 cm to the left of a converging lens with a 11.9-cm focal length. A second lens is positioned 10.0 cm to the right of the first lens and is observed to form a virtual image at the position of the original object O1.
(a) What is the focal length of the second lens?
______cm
(b) What is the overall magnification of this system?
______
A rigid tank contains 1.40 moles of an ideal gas. Determine the number of moles of gas that must be withdrawn from the tank to lower the pressure of the gas from 27.2 atm to 5.90 atm
A 200-m-wide river flows due east at a uniform speed of 4.5m/s. A boat with a speed of 9.0m/s relative to the water leaves the south bank pointed in a direction 28o west of north. How long does it take for the boat to cross the river
In the previous question, assume that the applies forces are 10N @ 41 degrees and that Force 2 acts at 138 degrees. Calculate the magnitude of the normal force from the floor
Two identical diverging lenses are separated by 13 cm. The focal length of each lens is -8.4 cm. Determine the final image distance relative to the lens
A fully equipped astronaut has a mass of 140 kg. If the astronaut has a weight of 675 N standing on the surface of a planet, what is the acceleration due to gravity on this planet?
an object of some undetermined material and mass is suspended by a spring of unknown spring constant. The spring is elongated by 2.7 cm when the object is attached to its end.
What is magnitude of the Coulomb force
Find the resultant force of a tank that is entirely filled with an incompressible fluid and has a piston at end. Side going into take F=100N
The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 1.0 Wb from 9.0 Wb in a time of 0.092 s. What is the resistance of the wire
A 2.20 kg frictionless block is attached to an ideal spring with forces constant 314N/m. At first the block has velocity -3.60 m/s and displacement 0.300-m.
A horizontal piston-cylinder assembly contains 0.25 kg of an ideal gas (M=28.97 kg/kmol) of constant heat capacity (Cp=1 kj/kg*k and Cv=0.72 kj/kg*k), How much heat is transferred during this process
The driver of a 1550 kg car, initially traveling at 12.1 m/s, applies the brakes, bringing the car to rest in a distance of 18.5 m. Find the net work done on the car
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