Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
A substance cools from 75°C to 70°C in
T
1
T_1
T
1
minute, from 70°C to 65°C in
T
2
T_2
T
2
minute and from 65°C to 60°C in
T
3
T_3
T
3
minute, then a.
T
1
=
T
2
=
T
3
T_1 = T_2 = T_3
T
1
=
T
2
=
T
3
b.
T
1
<
T
2
<
T
3
T_1 < T_2 < T_3
T
1
<
T
2
<
T
3
c.
T
1
>
T
2
>
T
3
T_1 > T_2 > T_3
T
1
>
T
2
>
T
3
d.
T
1
<
T
2
>
T
3
T_1 < T_2 > T_3
T
1
<
T
2
>
T
3
Browse the problem library