Physics, 30.07.2021 04:10 rozlynnv22
The monthly (30 days) electric bill included the cost of running a central airconditioning unit for 2.0 hr/day at 5000 W, and a series connection of ten 60 W light bulbs for 5.0 hr/day. How much did these items contribute to the cost of the monthly electric bill if electricity costs 8.0¢ per kWh?
a) $12.30
b) $21.30
c) $39.50
d) $31.20
e) $13.20
Answers: 1
Physics, 22.06.2019 02:00
Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.
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Physics, 22.06.2019 04:40
Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.
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Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same
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