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The energy of an elector in teh Nth Level of a hydrogen atom is En=-13.6/n^2 eV where n=1,2,3...
A) Find the wavelength of the emitted photon when an electron makes a transition from the second level to the first level.
B) How much energy is required to ionize a hydrogen atom in its ground state?
An object with a charge of -2.6 \mu C and a mass of1.7×10−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to itsweight.
The cable lifting an elevator is wrapped around a 1.0--diameter cylinder that is turned by the elevator's motor. The elevator is moving upward at a speed of 2.3 . It then slows to a stop, while the cylinder turns one complete revolution.
In this problem, you will apply kinematic equations to a jumping flea. Take the magnitude of free-fall acceleration to be 9.80m/s^2. What is its initial velocity as it leaves the ground
a 4.50kg block hangs from a spring with spring constant 2080nm. the block is pulled down 5.70cm from the equilibrium
A straight cylindrical wire lying along the x-axis has a length of 0.500 meter and a diameter of 0.20 millimeter. Determine the resistance of the wire
The maximum speed of a small girl on a swing is 3.96m/s. Calculate how high above the ground is she at her highest point
A force F applied to an object of mass m1 produces an acceleration of 3.50m/s2. Determine what is the value of the ratio of masses
a parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 3.90 and whose
A uniform beam of length 5.4 m and mass 12 kg supports a28 kg mass. The cable is at an angle of 58.4 with the wall and the beam is attached to the wall by pivoting pin at an angle of 58.8 by the wall. Discover the tension in the cable. The accelerati..
assume a brown dwarf has a surface temperature of 1000 K and approximately the same radius as jupiter. what is its luminosity compared to that of the sun
A disk among vertebrae in the spine is subjected to a shearing force of 630 N. Discover its shear deformation taking it to have the shear modulus of 1*109 N/m2. The disk is equivalent to a solid cylinder 0.700 cm high and 3.70 cm in diameter.
I am working on a project where we need to find an optimal transfer for a spacecraft from LEO to the L4 LaGrange point in the Earth-Moon system. In order to calculate the delta V for the arrival at the LaGrange point, we need to know the "veloci..
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