Find the momentum of a helium nucleus having a mass of kg that is moving at .
Calculate the speed of a 1.00-μg-mass dust particle that has the same momentum as a proton moving at . The rest mass of a proton is kg.
What is the velocity of an electron that has a relativistic momentum of kg⋅m/s?
Electron rest mass is kg.
A -kg asteroid is heading towards Earth at 30.0 km/s. At velocities such as the velocity of this asteroid, .
Calculate the approximate momentum of the asteroid. Find the value to a precision giving the first two nonzero significant digits that occur after the leading digit.
Find the ratio of the asteroid’s approximate momentum to the classical value of its momentum. Find the value of the ratio to a precision giving the first nonzero significant digit that occurs after the leading digit.