An electron of momentum 400 assuming no recoil, find the momentum transfer and its reduced de broglie wavelength. mev/c is scattered at an angle of 15 deg by a calcium nucleus also calculate the mott differential cross-section (point-like nucleus), and by what factor it is reduced if the calcium nucleus (a-40) can be assumed to be represented buy a model of a sphere with radius a 1.2 a fm (model i in fig. 3 of williams)

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?