Question: A square hole 8 00 cm along each side is cut in a sheet
A square hole 8.00 cm along each side is cut in a sheet of copper. (a) Calculate the change in the area of this hole if the temperature of the sheet is increased by 50.0 K. (b) Does this change represent an increase or a decrease in the area enclosed by the hole?
Relevant QuestionsThe average coefficient of volume expansion for carbon tetrachloride is 5.81 X 10-4 (°C)-1. If a 50.0-gal steel container is filled completely with carbon tetrachloride when the temperature is 10.0°C, how much will ...A beaker made of ordinary glass contains a lead sphere of diameter 4.00 cm firmly attached to its bottom. At a uniform temperature of - 10.0°C, the beaker is filled to the brim with 118 cm3 of mercury, which completely ...An auditorium has dimensions 10.0 m X 20.0 m X 30.0 m. How many molecules of air fill the auditorium at 20.0°C and a pressure of 101 kPa?A cube 10.0 cm on each edge contains air (with equivalent molar mass 28.9 g/mol) at atmospheric pressure and temperature 300 K. Find (a) The mass of the gas, (b) its weight, and (c) The force it exerts on each face of the ...A student measures the length of a brass rod with a steel tape at 20.0°C. The reading is 95.00 cm. What will the tape indicate for the length of the rod when the rod and the tape are at (a) - 15.0°C and (b) 55.0°C?
Post your question