subject
Physics, 01.10.2021 07:10 carlo123

(UFLA-95)Uma barra de ferro homogênea é aquecida de 10ºC até 60ºC. Sabendo-se que a barra a 10ºC tem um comprimento igual a 5 m e que o coeficiente da dilatação
linear do ferro é igual 1,2 x 10-6
ºC-1
, podemos afirmar que a variação de dilatação
ocorrida e o comprimento final da barra foram de:
a)5×10-4m; 5,0005m
b)2×10-4m; 5,0002m
c)4×10-4m; 5,0004m
d)3×10-4m; 5,0003m
e)6×10-4m; 5,0006m

Ajuda aí

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 12:10
An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
Answers: 1
question
Physics, 22.06.2019 12:20
A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.
Answers: 2
question
Physics, 23.06.2019 03:00
Which explanation most accurately describes convection within the ocean
Answers: 2
question
Physics, 23.06.2019 03:00
Aforce of 40n applied at the end of length 4m and diameter 2.00mm process and extension of 0.24mm,calculate the stress on the wire, strain in the wire and the young modulus for the material of the wire
Answers: 1
You know the right answer?
(UFLA-95)Uma barra de ferro homogênea é aquecida de 10ºC até 60ºC. Sabendo-se que a barra a 10ºC t...
Questions
question
Mathematics, 04.09.2020 01:01
question
Mathematics, 04.09.2020 01:01