Quantum Mechanics Answers

With increasing quantum number the energy difference between adjacent level in atoms

a woman weighs 475 N and a downward force of 17 N must be applied to keep her completely submerged in water what is the density of her body

can we get an example for convertion of mass to energy,as we get an equation of that by formula E=mc2?

how can we derive the schrodingers wave equation?

A 1200.0-kg car speeds up from 16.0 to 20.0 m/s. How much work was done on the car to increase its speed?

Does the gravity of a black hole crush the strings (of string theory) together.

why electron doesnot fall on the nucleus?

prove that the unitary transformation Rz(phi) commutes with Sz ?

A basketball player makes a jump shot. The .6-kg ball is released at a height of 2 m above the floor with a speed of 7.2 m/s. the ball goes through the net 3.2 m above the floor at a speed of 4.2 m/s. what is the work done on the ball by air resistance, a non conservative force?

Does the fact that we observe the end of the universe cause it to manifest and effectively expand as a result?