Asked by Samuel

A brass measuring tape is correct at 20 degree Celsius. The value obtained when the length of a field is measured with the rule at 50 degree Celsius appears to be 70.5m. what is the true length of the field Linear expansivity of brass =1.8 ×10 raise to power minus five per Kelvin.
Answered by bobpursley
deltaL= L (1+alpha*30)
70.5-L=L(1+alpha*30)
solve for L
Answered by Kelvin
Pls help me do it for me
Answered by goodness
help me solve the question




Answered by Fatima
Solve the questions
Answered by joy
Please answer
Answered by Nneoma iheanyi Anwuchughum
Good answer, that's nice and correct
Answered by Nwokeocha favor
L²=L¹(1+a[∅]) FORMULA
70.5(1+1.8×10^-5[20-60])=70.46m
Answered by Anita
Please solve
Answered by Elvis eric
3 0
Answered by Joy
Plz help me
Answered by Anonymous
70.46m
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