a screen is placed at 80cm from an object a lens is used to produce on the screen an image with magnification 3 calculate the distance between the object and the lens

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.

What is the angular momentum of the bar about the axle?

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg