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A small object is 10 cm to the left of a converging lens (f = +5 cm), and a second diverging lens (f = -3.3 cm) is 5.8 cm to the right of the first. Find the position and magnification of the final image by calculation.
Eight 6.5 -W Christmas tree lights are connected in series to each other and to a 120 -V source. What is the resistance of each bulb
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. Find the voltage drop from cathode to anode
A 1850-kg car experiences a combined force of air resistance, At what angle is the hill inclined above the horizontal
An air traffic controller observes two aircraft on his radar screen. the first is at altitude 850m, horizontal distance 19.1 and 26.00 degree south of west. The second aircraft is at altitude 1000m, horizontal distance 17.8km and 25.0 degree south of..
An electron is in the fifth Bohr orbit of hydrogen. Find the speed of the electron. Find the current corresponding to the motion of the electron
One cubic meter of water flowing over Niagara Falls in New York drops 98.1 meters. how much heat energy would the water have
A 380-N, uniform, 1.50 m bar is suspended horizontally by two vertical cables at each end. A small object of weight 520 N is placed distance 0.5 m from the cable A. What is the tension in cable A.
A 11.1-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.3 m/s, determine the following. (a) the translational kinetic energy of its center of gravity ____J (b) the rotational kinetic en..
A 2.0 hp electric motor on a water well pumps water from 10 m below the surface. How many liters of water does the motor pump in 1 hr
Consider a wheel on a racing bicycle. If the wheel has a mass of 0040 kg and an angular speed of 15 rad/s, what is the rotational kinetic energy of the wheel
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 34.0 dB. What is the intensity delivered to the eardrum
A -6.00-µC charge is moving with a speed of 6.40 104 m/s parallel to a very long, straight wire. Find the magnitude and direction of the force on the charge
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