Arailroad car containing an angry bull is standing onthe
tracks, but the brakes are not set. the bull, mass m,
initiallystanding at one end of the car charges(runs) to the other
end andcrashes into the wall. what is the final velocity of the
railroadcar if its mass is m and the bull runs at speed v? explain
youreasoning.

Employer informs its employees that it will hold a substantial cash prize drawing for each work group at the end of each month in which no employee in the work group sustains a lost-time injury. tyra reports an injury that she sustained while operating a mechanical power press. tyra did not violate any employer safety rules when she sustained her injury. tyra’s injury requires her to miss work for two days. her employer cancels the cash prize drawing for that month for tyra’s work group because of tyra’s lost-time injury. did the employer misuse an incentive program to retaliate against tyra?