B1. A stone is dropped from the cliff. If the height of the cliff is 200cm.
(a) calculate
(1)
Potential energy after falling for 20 seconds

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

The discovery of the electron as a subatomic particle was a result of

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2