Determining the focal length of the lens
A converging lens forms an image of an 8.00-rnm-tall real object. The image is 12.0cm to the left of the lens, 3.40cm tall, and erect. What is the focal length of the lens? Where is the object located?
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A goldfish is swimming at 2.00 cm/s toward the front wall of a rectangular aquarium. What is the apparent speed of the fish measured by an observer looking in from outside the front wall of the tank? The index of refraction of water is 1.33.
The man M weighs 150 lb and jumps onto the boat B which has a weigh of 200 lb. if he has a horizontal component of velocity relative to the boat of 3 ft/s, just before he enters the boat, and the boat is travelling vB = 2ft/s away from the pier wh
Gabel CO has bonds payable outstanding in the amount of $400,000 and the Premium on Bonds Payable account has a balance of $6,000. Each $1,000 bond is convertible into 20.
The atomic spacing in rock salt, NaCl, is 0.282 nm. Find the kinetic energy (in eV) of a neutron with a de Broglie wavelength of 0.282 nm. Is a relativistic calculation needed? Such neutrons can be used to study crystal structure.
A dipole of moment 0.5 e·nm is placed in a uniform electric field with a magnitude of 4.0 x 104 N/C. What is the magnitude of the torque on the dipole when
Three odd-shaped blocks of chocolate have the following masses and center-of-mass coordinates: (I) 0.300 kg, (0.200 m, 0.300m); (2) 0.400 kg, (0.100m, -0.400m); (3) 0.200 kg, (-0.300 m, 0.600 m). Find the coordinates of the center of mass of the
Evaluate the thermal conductivity of the soda lime glass at 300 K. If the aircraft has 130 windows and the cost to heat the cabin air is $l/kW · h, compare the costs associated with the heat loss through the windows for an 8-hour interconti
The current in the windings of a toroidal solenoid is 2.400 A. There are 500 turns, and the mean radius is 25.00 cm. The toroidal solenoid is filled with a magnetic material. The magnetic field inside the windings is found to be 1.940 T. Calculate
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