Connor turns on a hair dryer to style his hair in the morning. Which choice identifies all of the energy transformations in the system? electrical -- heat sound, and motion
electrical -- sound and motion
heat-electrical and sound
heat and sound -motion

The pressure in a fluid is affected by which characteristics of that fluid

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt