A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 9 A, and that of the vacuum cleaner is 5.5 A.
(a) Determine the power consumed by the blow-dryer. _____W
(b) Determine the power consumed by the vacuum cleaner. _____W
(c) Determine the ratio of the energy used by the blow-dryer in 21 minutes to the energy used by the vacuum cleaner in one-half-hour. Ebd / Evc =_____