ADIVHAHO

A metal plate is a 1 m square at 283 K. There is a hole of 600 mm in diameter in the The linear coefficient of expansion of the metal is 12,5 x 10-6/K. Calculate: a) The diameter of the hole at this temperature.

An aircraft is 70 km northeast from the airport it departed from and flies north for 4 hours at a velocity of 100 km/h. Determine its final displacement with reference to the airport.