Illustrate an image of an extended brass measuring tape on a lush, green field under a sky that looks to be around 50 degrees Celsius, with hot, bright sun rays falling on the field. You are shown with the reading of 70.5 meters on the tape. Represent the heat expansion of the tape, but suppressing any text included so it't just visual. The expansivity should be subtly conveyed by showing slight bends and curves in the measuring tape suggesting its expansion due to elevated temperature.

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.

deltaL= L (1+alpha*30)

70.5-L=L(1+alpha*30)
solve for L

Good answer, that's nice and correct

L²=L¹(1+a[∅]) FORMULA

70.5(1+1.8×10^-5[20-60])=70.46m

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