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Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system? (The magnitude of the ground state energy of the Hydrogen atom is 13.6 eV.) How many subshells are in this shell?
A 4.00 kg block is free from rest 2.0m high at the top of a 30 degree frictionless incline. The block makes a head-on elastic collision with another 3.00 kg block initially at rest on a horizontal surface at the bottom of the incline.
question1a particle of mass m is attracted towards the origin under an influence of a force fmax3.a find out potential
A 2.5 mm diameter copper wire carries a current of 33 A, uniformly distributed across its cross-section. Determine the magnetic field at the surface of the wire
what is the electric force between the proton and electron inside of a hydrogen atom? What must the speed of the electron be? Radius=0.47 x 10^-9.
A block of mass M is sliding down a rough inclined plane with constant velocity v. Find an expression for the angle theta
A car rounds a 200 m radius curve at 10.5 m/s. If the horizontal force acting on the car is 790 N, what's the car's mass
A 1.00×104kg railroad car is rolling at 3.00m/swhen a 7000kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded
A 110 grams sample of water at 30 degrees Celcius is heat to steam at 130 degrees Celcius. how much heat is absorbed
The emissivity of tungsten is 0.35. A tungsten sphere of radius 1.5 cm is suspended within a large evacuated enclosure whose walls are at 300 K. What power input is required to maintain the sphere at a temperature of 3000 K
what is the average age of a bone that has 85 beta emissions per minute from a 20 g of carbon found in that fossil. half life time of carbon-14 is 5730 years
A runaway railroad car, with mass 30 x 10^4 kg, coasts across a level track at 1.5 m/s when it collides with a spring loaded bumper at the end of the track, What is the maximum displacement of the spring after the collision
A 120. mH inductor is in series with a 20. O resistor and a variable capacitor (0.110 µF to 0.400 µF). what current flows at resonance
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