A 30,000 kg subway train initially traveling at 19.5 m/s slows to a stop in a station and then stays there long enough for its brakes to cool. The station's dimensions are 65.0 m long by 20.0 m wide by 12.0 m high. Assuming all the work done by the brakes in stopping the train is transferred as heat uniformly to all the air in the station, by how much does the air temperature in the station rise?

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

i think the answer would be b

hi there!

your question asks at which segment does freezing occur.

since we're talking about water, the freezing point of water will be 32 degrees fahrenheit or below.

hope this ! ~

the entire statement is true and correct.  

there's no diagram, nothing is illustrated, and no question is asked.