Physics, asked by akfhjhfddsssfghbh, 1 year ago

a 50 cm silver bar shortens by 1.0 mm when cooled.how much was it cooled?

Answers

Answered by PranuAryan
2
∆L=L*Alpha*∆T

∆L =change in linear length (10^-3 m)
L= Initial Length (0.5 m)
Alpha=coefficient of linear thermal expansion(given below)
∆T = change in temperature(To Find)

material: Silver
alpha = (19 to 19.7)*10^-6

substitute the following the data in the above equation to get the answer
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