For changes of state mentioned in “Solidification” and “fusion” and “Condensation” and “vaporization” to take place energy must be added to or removed from a substance. Give the general name for this type of energy and state what happens to the temperature during these processes.

Aballet student who learns with the of his instructor is demonstrating learning.

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

What was the first instrument to ever record an earthquake?