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A fly appears to be upside down and three times its actual size when viewed during a converging lens with a focal length of 5.1 cm. How far is the fly from the lens?
A light bulb operates at 2.1 percent efficiency. The emitted light is 555 nm, find the number of photons per second given off
A 15.0-kg block of ice at 0 °C melts to liquid water at 0 °C inside a large room that has a temperature of 20.0°C. Calculate the net entropy change of the system
An iceberg floating in seawater as shown below in Figure, is extremely dangerous because much of the ice is below the surface. What fraction of the iceberg lies below the water level
The distance between the centers of the wheels of a motorcycle is 150 cm. The center of mass of the motorcycle, including the rider, is 85.5 cm above the ground and halfway between the wheels. Assume the mass of each wheel is small compared to the bo..
A spring has a spring constant of 578N/m. When used tosuspend an object in the air, the spring stretches by0.0640m. What buoyant force acts on the object
On Apollo missions to the Moon, the command module orbited at an altitude of 133 kilometer above the lunar surface. Compute how long did it take for the command module to complete one orbit
a 7.0 N force is applied horizontally on a book that weighs 20N that is resting on a tabletop. If µs=.50 between the book and table, find the force of static friction on the book
An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A snow mibile is pulling a large sled across a snow-covered field. The weight of the sled is 3560 N. If the coefficient of friction of the sled is 0.12,
The plane of a rectangular coil, 6.0 cm by9.0 cm, is perpendicular to the direction of a magnetic field vector B . If the coil has 100 turnsand a total resistance of 8.0 Ω, at what rate must the magnitude of vector B change to induce a current of0.10..
An object is placed in front of a converging lens in such a position that the lens (f = 11.6 cm) produces a real image located 22.9 cm from the lens.
Suppose a certain large fish starts out at a depth where the absolute pressure is 2.1 atm and with gas bladder volume 5.0 × 10-4 m3. What is the absolute pressure at that new depth
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