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A 1.00-cm-high object is placed 4.70 cm to the left of a converging lens of focal length 7.60 cm. A diverging lens of focal length ?16.00 cm is 6.00 cm to the right of the converging lens. Find the position and height of the final image.
A beam of laser light of wavelength 632.8 nm has a circular cross-section 2.00 mm in diameter. Find the required width and height of the aperture
A standing wave in a column of air with both ends open has a frequency of 440 Hz. The next higher harmonic has a frequency of 700 Hz. How long is the column of air
a positive charge of -4 microcoulombs is llocated at the center of a spherical shell of inner radius 2cm and outer radius 3cm, what is the total charge on he inner shell
A step-up transformer has 24 turns on the primary coil and 780 turns on the secondary coil. what input current and voltage are needed
A 20.0 kg wood ball hangs from a 2.0-m-long wire. The maximum tension the wire can withstand without breaking is 400.0 N. What is the greatest speed the wood ball can have
An electron is accelerated by a constant electric field of magnitude 325 N/C. (a) Find the acceleration of the electron. m/s2 (b) Use the equations of motion with constant acceleration to find the electron's speed after 9.00 10-9 s, assuming it st..
What is the minimum coefficient of friction between tires and road that will allow cars to take turn without sliding off the road.
A skier starts from rest at the top of a 48 m hill, skis down a 32° incline into a valley, and continues up a 28 m high hill. How fast is the skier moving at the bottom of the valley
A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. How much of the rope unwinds in this time interval
two ocean liners with a mass of 50,000 metric tons are 50 m apart. What is the magnitude of the acceleration of one of the liners toward the other due to their mutual gravitational attraction
In order to drop a Pyrex glass marble 1.003 in diameter through the hole in the plate, how much must the temperature of the system be raised
Heat and physical activity. In a bench press, a weight lifter lifts 132kg 41cm. In so doing, the athlete expends 1.2kJ. What's the heat flow involved in this process
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