How much heat is needed to raise the temperature of a 5.0 gram block of aluminum from 22.0â° c to 37.0â° c?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.

What are known as the properties of substances that describe a substance et does not change that substances?