Homework Statement
Two atomic clocks are synchronized. One is placed on a satellite which orbits around the earth at high speeds for a whole year. The other is placed in a lab and remains at rest with respect to the earth. You may assume both clocks can measure time accurately to many...
Homework Statement
a) calculate the energy, in joules, of a quantum of light with a wavelength of 590 nm.
b)will this colour be able to produce photoelectrons from the surface of a metal with a work function of 3.0 eV? Explain your reasoning.
Homework Equations
f=c/λ
E=fh
ek=hf-W
The Attempt...
Homework Statement
a)
Calculate the kinetic energy required to accelerate a single proton from a rest position to 0.9999c. The mass of a proton is 1.67*10^-27 Kg.
b)
Find the ratio of kinetic energy to the energy of a proton at rest
Homework Equations
Ekrest = mc2
Ek=...