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Performing an experiment similar to Millikan's oil drop experiment, a student measures these charge magnitudes.
3.26 10-19 C 6.39 10-19 C 5.09 10-19 C 4.66 10-19 C 1.53 10-19 C
Find the charge on the electron using these measurements.
A 0.500-kg glider, attached to the end of an ideal spring with force constant k=450 n/m, undergoes simple harmonic motion with an amplitude 0.040 m. Compute the maximum speed of the glider
An object with a mass of m = 4.9 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.265 m and mass of M = 3.00 kg. Determine the magnitude of the acceleration of the object
A dc motor has coils with a resistance of 13 ? and is connected to an emf of 120.0 V. When the motor operates at full speed, the back emf is 72 V. What is the current when the motor is at full speed
While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 64 kg person develops a power of 65W throughout a race, how fast is the person running? Assume that a running step is 1.5 m long.
A certain cablecar in San fransisco can stop in 10 sec upon the application of the brakes while traveling at full speed Upon seeing a dog ahead of the car the driver instantly applies the full brakes, How far was the cable car from the dog when the..
A well-insulated electric water heater warms119kg of water from 20.0° C to47.0° C in33.0min. Find the resistance of its heating element
The object to be viewed is placed 2mm beyond the focal point of objective lens. What is the overall magnification of this microscope.
A 44-g ball consists of a plastic spherical shell and a water-filled core. the shell has an outside diameter equal to 41.6 mm and an inside diameter equal to 16.5 mm. What is the density of the plastic?
You measure the length of a distant car to be subtended by an angular distance of 1.0 degrees. approximately how far away is the car
A 2.5 meter long elastic cord is fixed at both ends. at what frequency should this cord be vibrated such that a n-10 standing wave is produced
Calculate the electrical potential at the center of the square described as follows: Four charges are placed at the corners of a 20 cm square
two 2 cm 2 cm metal electrodes are spaced 1.7 mm apart and connected by wires to the terminals of a 9.0 v battery.1.
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