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A lens for a 35-mm camera has a focal length given by f = 67 mm.
(a) How close to the film should the lens be placed to form a sharp image of an object that is 7.3 m away?
(b) What is the magnification of the image on the film?
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 307 K is heated at constant volume to 614 K, What is the efficiency of the cycle
Calculate the mass difference in atomic mass units, between the helium nucleus and its constituent nucleons
The power capacity for all nuclear power plants in the United States is 1.01E5 MW. In one hour, what is the total change in the mass of the nuclear fuel
An object 2.0mm high is placed 12cm from a convex mirror of radius of curvature 12c, Determine the image distance using the mirror equation 1do+1di=1f
A person with a mass of 81Kg and a volume of .089M^3 floats quietly in water. What is the volume of the person that is above water
Two particles of mass m1= 2.6 kg and mass m2 = 4.8 kg that are free to move on a horizontal track are initially held at rest so that they compress a spring, Find the final velocities of the two particles
A merry-go-round (I= 500 kg m^2) of radius R = 2 meters is rotating about a frictionless pivot, making one revolution every 5 seconds. Find the new angular speed of the merry-go-round
A 0.350-kilogram cup at 10 °C is filled with 0.100 kg of boiling coffee. what is the specific heat of the cup material
A particle has a charge of +2.3 ?C and moves from point A to point B, a distance of 0.13 m. The particle experiences a constant electric force, and its motion is along the line of action of the force.
The student throws a ball into the air along a path that he judges to make an initial angle of 59° with the horizontal and to be in line with the track. The student's professor, who is standing on the ground nearby, observes ball to rise verticall..
The motor of a four wheeler traveling along a muddy trail generates an average power of 7.90 104 W when moving at a constant speed of 15 m/s. What is the tension in the tow rope pulling the log
A visitor to a lighthouse wishes to determine the height of the tower. She ties a spool of thread to a small rock to make a simple pendulum, What is the height of the tower
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