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A 5.50kg bucket of water is accelerated upward by a cord of negligible mass whose breaking strength is 78.0N.
If the bucket starts from rest,
What is the minimum time required to raise the bucket a vertical distance of 14.0m without breaking the cord?
One electron collides elastically with a second electron initially at rest. After the collision, the radii of their trajectories are 1.00 centimeter and 2.40 centimeter. Evaluate the energy of the incident electron
Two 2.1-cm-diameter electrodes with a 0.10-mm-thick sheet of Teflon between them are attached to a 9.0 V battery, What is the charge before the Teflon is removed
Illustrate energy bar graphs to solve the problem . What is amplitude of the oscillations.
illustrate with a diagram and develop brewsters law from snells law. use air as one medium at what angle of incidence
In the 1850s, Armand Fizeau and Jean-Bernard-Leon Foucault made the first measurements of the speed of light in water. calculate the wavelength of yellow green light in water
To compare the relative efficiency of glass and air as insulators, repeat the previous problem with a 0.35-centimeter-thick layer of air instead of glass. Find by what factor is the rate of heat transfer reduced
The angular momentumof a flywheel having a rotational inertia of 0.150 kgm2 aboutits central axis decreases from 4.00to 1.400 kgm2/s in1.60 s. What is the average power of the flywheel
A small steel ball bearing with a mass of 17g is on a short compressed spring. When aimed vertically and suddenly free, spring sends the bearing to a height of 1.33 m. compute the horizontal distance ball would travel if the same spring were aimed..
A grasshopper hops down a level road. On each hop, the grasshopper launches itself at angle 45 degree and achieves a range R = 1.4 m. What is the average horizontal speed of the grasshopper
Two loudspeakers are placed on a stage 5.4 m apart and are radiating the same frequency, in phase. Calculate the frequency of the sound
If the electric flux through a closed surface is determined to be 2.10N?m2/C , how much charge is enclosed by the surface
A fish takes the bait and pulls on the line with a force of 2.2 N. The fishing reel, which rotates without friction, is a uniform cylinder of radius 0.050 meter and mass 0.78 kilogram. Determine the angular acceleration of the fishing reel
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