Why are magnetic fields evidence of sea floor spreading

Which statement best describes how private industry decides where to spend the money on research and development

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s

How can a cyclist's acceleration change even if its velocity remains constant?