Question 1 (2 points) A student uses fur to charge balloons for an experiment. What is the best method
she should use to charge the balloons?
Tap the balloons on the ground, charging them by grounding.
Rub the fur on the balloons, charging them by friction.
Hold the fur near the balloons, charging them by induction.
Touch the fur to the balloons, charging them by conduction.
5

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.