A 0.80-m-diameter oil droplet is observed between two parallel electrodes spaced 11 mm apart. The droplet hangs motionless if the upper electrode is 20.0 V more positive than the lower electrode. The density of the oil is 885kg/m3 . Part A What is the droplet's mass? Express your answer with the appropriate units. View Available Hint(s) for Part A Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value type Activate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type m = nothing nothing Part B What is the droplet's charge? Express your answer with the appropriate units. View Available Hint(s) for Part B Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value type Activate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type q = nothing nothing Part C Does the droplet have a surplus or a deficit of electrons? How many? View Available Hint(s) for Part C deficit 8 electrons surplus 8 electrons surplus 15 electrons deficit 6 electrons Provide Feedback Expand AI Study ToolClose AI Study Tool