College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 102

Which of the following objects has the least kinetic energy: (a) an object of mass 4 m and speed v , (b) an object of mass 3 m and speed 2 v , (c) an object of mass 2 m and speed 3 v , or (d) an object of mass m and speed 4 v