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Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. The electric field at a point , which is 0.50 m from the center of the sphere, is 15,000 N/C and is directed radially outward. What is the maximum magnitude of the electric field due to this sphere?
What is the wavelength of the spectral line? B) Assuming this line is from a transition from level n1 = 3 to level n2 = 2 (i.e. the longest wavelength Balmer series transition), what do you calculate for the value of Rydberg constant.
Each cable has a length of l = 2.90 m. Illustrate what is the tension T in each of the cables? Use 9.80 m/s2 for the magnitude of theacceleration due to gravity.
selzer estimates the total cost of servicing the warranties will be $120,000 for 2 years. Estimate revenues earned on basis of costs incurred an estimated costs.
Calculate the potential energy stored in the bow, if the arrow of mass 5.50 10-2 kg leaves the bow with a speed of 45.0 m/s. Assume that mechanical energy is conserved.
An airplane pilot with a mass of 90.0-kg pulls out of a dive by following the arc of a circle whose radius is 300 m at a constant speed of 190 km/h. find the force exerted on the pilot by the airplane seat
An electron with an initial speed of 4.00×105m/sis brought to rest by an electric field, What was the initial kinetic energy of the electron, in electron volts
You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. how far away can you stand to hit the orange
What's the magnitude of the electric field at an on-axis point a distance of .7m from a ring of charge with a total charge of .8microC
A tuning fork of unknown frequency is noted to be higher than one marked 512 hz and lower than one marked 1000 hz. You discover resonance points at .11 m and .53 m. Using 347 m/s for speed of sound what is the frequency of the new fork.
A uniform ladder of length L and mass 5 kg rests against a smooth, frictionless, vertical wall. Find the minimum angle,between the ladder and the ground at which the ladder will not slip
Three light bulbs each with a resistance of 50W, are connected in series to a 100 V power supply. What is the current flowing through the third light bulb.
A rotating space station is said to create "artificial gravity"-a loosely-defined term used for an acceleration that would be crudely similar to gravity, what angular velocity would produce an "artificial gravity" of 9.80 m/s2 at the rim
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