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Question: Two thin converging lenses are placed on a common axis, so that the center of one of them coincides with the focus of the other. An object is placed at a distance twice the focal length from the left-hand lens. Where will its image be? What is the lateral magnification? The focal length of each lens is f.
A uniform 0.25-kilog thin rod that has an 80-centimeter length is free to rotate about a fixed horizontal axis perpendicular to and through one end ram of the rod. Find the initial acceleration of the free end of the rod
when free from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find the potential at B.
In recent years, astronomers have found planets orbiting nearby stars that are quite different from planets in our solar system. Kepler-39b, has a diameter that is 1.2 times that of Jupiter (RJupiter = 6.99 × 107 m), but a mass that is 18 times that ..
A 8.0 µC point charge and a 9.0 µC point charge are a distance L apart. Where should a third point charge be placed so that the electric force on that third charge is zero?
Calculate the ratio of the scattered light intensity of blue color (400 nm) to that of red color (700 nm)
A photon with a wavelength 4.40 scatters from an electron initially at rest. Find out the wavelength of the scattered photon when the scattered electron has its utmost kinetic energy. Kmax = 2.37*20^-14.
Using the method of your choice (there are 2 we discussed in class), calculate the total work required to create this arrangement.
When a ceiling fan rotating with an angular speed of 2.20 rad/s is turned off, a frictional torque of 0.225 N-m slows it to a stop in 25.5 s. What is the moment of inertia of the fan?
A 0.04 kg bullet collides in elastically with a 0.5 kg ballistic pendulum. Before the collision the pendulum was at rest but immediately after collision the pendulum is moving with speed of 13.6 m/s. How fast was the bullet travelling before the coll..
A solid marble, a solid disk and a hoop have the same mass (M = 0.9 kg) and the same radius. Each object is held at rest at the same height and then released. what is the force the track exerts on the hoop
An electron has a kinetic energy of 0.100 MeV. Find its speed according to classical and relativistic mechanics
Three blocks of mass 2.0 kg, 8.0kg, and 15.0 kg are connected by light strings passing over frictionless pulleys. find its acceleration and the tensions in the strings
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