A spaceship goes past Earth at 0.9c and shoots a projectile forward at 0.95c. Ho

Question

A spaceship goes past Earth at 0.9c and shoots a projectile forward at 0.95c. How fast is the projectile going in the Earth's frame. If the projectile has a mass of 10kg, what is its relativistic momentum and energy in the Earth's frame? A particle in a box has a mass of 10^-30kg. The lowest energy level is 10eV. What is the length of the box? What wavelength of light is required to move the mass from the lowest energy level to the n=2 energy level? Calculate the first four energy levels of the hydrogen atom using the formula (E_n = -13.6 eV/n^2). Find the wavelength emitted for the transition from n=3 to n=2.^60 Co undergoes beta-minus decay. What the daughter nucleus? Explain.^238 Pu undergoes alpha decay. What is the daughter nucleus? Explain. Explain the four quantum numbers represented in the periodic table.

Explanation / Answer

Vs = velocity of spaceship

Vp = velocity of projectile

relative velocity in earth's frame = (Vs + Vp )/ (1 + Vs Vp/c2)

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