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Part A (Figure 1) shows a 4.0-cm wide plastic film being wrapped onto a 20 em diameter roller that turns at 94 rpm The plastic has a uniform surtace charge density of -2.2 nC/em? What is the current of the moving film? Express your answer to two significant figures and include the appropriate units. > View Available Hint(s) 1 Value Units Submit Part B How long does it take the roller to accumulate a charge of 10 C Figure 1 of 1> Express your answer to two significant figures and include the appropriate units View Available Hint(s) 4.0 cm At- Value Units Submit 2.0 cm

Part A (Figure 1) shows a 4.0-cm wide plastic film being wrapped onto a 20 em diameter roller that turns at 94 rpm The plastic has a uniform surtace charge density of -2.2 nC/em? What is the current of the moving film? Express your answer to two significant figures and include the appropriate units. > View Available Hint(s) 1 Value Units Submit Part B How long does it take the roller to accumulate a charge of 10 C Figure 1 of 1> Express your answer to two significant figures and include the appropriate units View Available Hint(s) 4.0 cm At- Value Units Submit 2.0 cm

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Part A (Figure 1) shows a 4.0-cm wide plastic film being wrapped onto a 20 cm diameter roller that turns at 94 rpm. The plastic has a uniform surface charge density of -2.2 nC/em. What is the current of the moving fim? Express your answer to two significant figures and include the appropriate units. > View Available Hint(s) Value Units Submit Part B How long does it take the roller to accumulate a charge of 10 C Figure <1 of 1> Express your answer to two significant figures and include the appropriate units. • View Available Hint(s) 4.0 cm At- Value Units Submit 2.0 cm
Transcribed Image Text:Part A (Figure 1) shows a 4.0-cm wide plastic film being wrapped onto a 20 cm diameter roller that turns at 94 rpm. The plastic has a uniform surface charge density of -2.2 nC/em. What is the current of the moving fim? Express your answer to two significant figures and include the appropriate units. > View Available Hint(s) Value Units Submit Part B How long does it take the roller to accumulate a charge of 10 C Figure <1 of 1> Express your answer to two significant figures and include the appropriate units. • View Available Hint(s) 4.0 cm At- Value Units Submit 2.0 cm
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