The temperature of a metallic rod is 278 degrees c. If it is made to cool off at the rate of 7 degrees c every minute then what will be its temperature after 20 minutes?
Answers
Answered by
6
rate of cooling = 7 degrees per minute.
its temperature decreased after 20 minutes= 20*7= 140 degree
its final temperature after 20 minutes= 278-140= 138 degree.
its temperature decreased after 20 minutes= 20*7= 140 degree
its final temperature after 20 minutes= 278-140= 138 degree.
Similar questions