An aluminum cube is at 20°C. To what temp. the cube
should be heated so as to increase its volume by
0.75% (a = 2.5x10-5/°C)
Answers
Answered by
0
Answer:
Correct option is
B
28.9 cc
Cubical expansion
ΔV=γVΔT=3αVΔT [as γ=3α]
=3×23×10
−6
×(
3
4
π10
3
)×100 since r=
2
d
=10cm
=28.9cc
Answered by
0
Step-by-step explanation:
Cubical expansion
ΔV=γVΔT=3αVΔT [as γ=3α]
=3×23×10 −6 ×( 34 π10 3 )×100 since r= 2d
=10cm
=28.9cc
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