A certain freezing process requires the rooms temperature be lowered from 40 C at the of 5 C every hour . what will be the room temperature 10 hours after the process begins?
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The initial temperature of the room = 40 degrees Celcius
Rate of decrease in temperature = 5 degree Celcius per hour
Time after which temperature is recorded = 10 hours
The final temperature of the room = Initial temperature - rate × time [Since the temperature is lowering every hour]
Final temperature = 40 - 5 × 10
Final temperature = - 10 degree Celcius.
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