A boxcar of mass 125 tons at rest becomes uncoupled on a 1.3 degrees grade. If the track is considered to be frictionless, what speed does the boxcar have after 11.93 seconds

Orange juice has a lower or higher viscosity than chocolate syrup

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places