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Physics
Physics
Problem
A metallic sphere cools from
50
∘
C
50^{\circ}\text{C}
5
0
∘
C
to
40
∘
C
40^{\circ}\text{C}
4
0
∘
C
in 300 s. If atmospheric temperature around is
20
∘
C
20^{\circ}\text{C}
2
0
∘
C
, then the sphere's temperature after the next 5 minutes will be close to : a.
31
∘
C
31^{\circ}\text{C}
3
1
∘
C
b.
33
∘
C
33^{\circ}\text{C}
3
3
∘
C
c.
28
∘
C
28^{\circ}\text{C}
2
8
∘
C
d.
35
∘
C
35^{\circ}\text{C}
3
5
∘
C
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