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A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = ?28.0 cm). An object is placed to the left of the converging lens, and the final image produced by the two-lens combination lies 22.1 cm to the left of the diverging lens. How far is the object from the converging lens?
A person driving her car at 49 km/h approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 s before turning to red, and she is 30 m away from the near side of the intersection .
The record distance in the sport of throwing cowpats is 81.1 m. This record toss was set by Steve Urner of the United States in 1981, Determine the initial speed of the projectile
A ship on the surface of the ocean receives a sonar echo back from an underwater object. What is the depth of the object in the sea
Two parallel plates carry uniform charge densities –0.65 and +0.65. Find the magnitude of the electric field between the plates. Find the magnitude of the acceleration of an electron between these plates.
The photoelectric threshold wavelength of a tungsten surface is 272. Calculate the maximum kinetic energy (in ) of the electrons
An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the minimum initial speed necessary to meet the path of the arrow. Elucidate the initial speed of the apple?
Two wheels are free to spin about the same axle. The moment of inertia of wheel 1 is 2.16 kg m2, and the moment of inertia of wheel 2 is 1.02 kg m2. What is the magnitude of the angular momentum of the two disk system in this initial position
A sound source radiates sounds uniformly in all directions. the intensity of the sound at a distance of 100 m is 1.00 x 10^-4 W/m^2. What is the power of the sound source
Long parallel wires separated by 7.5 cm carry 3.3 Amperes each in opposite directions. What magnetic force per length acts on the wires
a plucked guitar string produces a sound wave of frequency 0.44 kHz on a day when the speed of sound is 340m/s. What is the wavelength of the sound wave
q1. a tank with a volume of 0.150 m contains 27.0 degrees celsius helium gas at a pressure of 100 atm. how many
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds. Determine maximum and minimum speeds of particles of the cord
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