Temperature of substance changes from -20 celsius to 20 celsius. What is temperature change in kelvin scale

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity

At what time will the interfering waves have an amplitudeof zero?