Note that momentum can be related to kinetic energy: KE = p2m. The presence of friction in our experimental setup results in a ratio of (total moment before/total momentum after) the collision to be O a. Less than 1.0 because kinetic energy is lost to friction. O b. More than 1.0 because kinetic energy is gained in the collision due to friction. O c. equal to zero because of energy loss due to friction. O d. None of the above is correct.
