Non-Uniform Motion
 

Non-Uniform Motion problem 5


Which of the cases described below requires quadratic law of resistance and which requires linear law of resistance?

  • A bullet fired from a gun travels through the air at a speed of . Its diameter is , the air density is , and the air viscosity is .


  • A sphere of diameter of moves through honey at a speed of . The density of honey is and its viscosity is .


  • A soccer ball flies through the air at a speed of . Its radius is .


  • A cube with a side length of sinks sideways to the bottom of a lake at a speed of . The viscosity of water is .


 

material editor: Sunday Awolaja