m a = k r v note :m is mass
k = m a/ (rv)
kg m
========== note: m is meters
s^2 m m/s
kg /( m s)
A metal sphere of radius r is dropped into a tank of water. As it sinks at speed v, it experiences a
drag force F given by F = kr v, where k is a constant.
What are the SI base units of k?
2 answers
Yes
2 answers