asked 188k views
0 votes
For a scientific experiment a physicist must make sure that the temperature of a metal 0°Cgets no colder than -80°C. The physicist changes the metals temperature at a steady rate of -4°C per hour. For how long can the physicist change the temperature?

asked
User NathanQ
by
9.4k points

2 Answers

4 votes

80/4=20 so he can change the temperature for 20 hours

6 votes

think and you will succeed


answered
User Kevin Mathew
by
8.9k points
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