Una placa cuadrada de cobre que mide 5 cm por lado a 22°C se calienta hasta 135°C. ¿Cuál es el incremento del área de la placa de cobre

What is the mass of the same rock on the earth

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.

Dc versus ac problem. suppose your dc power supply is set to 15 v and the vertical setting on the oscilloscope is at 5 v/div. how many divisions will the trace deflect if you connect the output of the power supply to the scope with the a input switch set on dc? how many divisions if the switch is on ac?