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A tourist in Yellowstone National Park takes a photograph of a buffalo that is 40 meter away and 2.2 meter tall. If the lens has a focal length of 50 millimeter, find how large is the image of the buffalo on the film?
In figure, a ball is thrown up onto a roof, landing some timelater at height h = 20.0 m above and d = 30.0 m horizontally fromthe release point. The ball's path just before landing is angled atθ = 60.0o with the horizontal roof.
A force with a magnitude of 452N is used to bring an object with a mass of 56.0 kg moving at a velocity of 155m/s. How long will it take to bring the object to a full stop.
You lay a mirror flat on the floor with one edge against a wall and aim a laser at the mirror. The ray reflects from the mirror and strikes the wall. Find the angle of incidence of the laser ray on the mirror
a 2.0muf capacitor and a 4.0muf capacitor are connected in series across 1000v. the charge capacitors are then
An object, 0.75 cm tall, is placed 12.0 cm to the left of a diverging lens (f = -8.00 cm). determine the focal length of the converging lens
At a coal-burning power plant a steam turbine is operated with a power output of 607 MW. Find at what rate is heat discarded to the atmosphere by this power plant
Water is flowing through a pipe with a constriction. The area of the narrow section is one-half the area of the wide section. what is the velocity of the fluid in the narrow section
Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 125 km long, 32.6 km wide, and 159 m thick. (a) How much heat in joules would be required to melt this iceberg (assumed to be at 0 °C) into liquid ..
A 3.11kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform8.23kg cylindrical pulley, What is the rotational inertia of the pulley
The steel I-beam in the drawing has a weight of 3.51 × 103 N and is being lifted at a constant velocity. What is the tension in each cable attached to its ends
In a double-slit experiment, two parallel slits are illuminated first by light of wavelength 474 nanometer, Evaluate what is the unknown wavelength
A car speeds along the curved exit ramp of a freeway. The radius ofthe curve is 86 m. A 68 kg passenger holds the arm rest of a car door witha 220 N force to keep from sliding across the front seat of thecar.
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