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- What is the work done by a tugboat that exerts a force of 12,500 N to transport a load for one kilometer? Express your result in scientific notation, in J and hp.Per hour, a 30-kW diesel generator consumes 8.80 gallons of fuel. If the generator was turned on for 150 minutes, how many cubic meters of diesel is needed?A hot water heater used 3.7 kilowatt for 1 of an hour. If electricity costs $0.29 per kilowatt-hour, how much did it cost (in dollars, to the nearest penny) to use the hot water heater?
- How long must a 100 Watt light bulb being turned on, in order to use 1million joules of energy? Express the answer in minutes.Need handwritten answer only d and e parts asap the Solution ist 3 parts is givenA factory is discharging pollution into a lake at the rate of r(t) tons per year given below, where t is the number of years that the factory has been in operation. Find the total amount of pollution discharged during the first 5 years of operation. (Round your answer to two decimal places.) r(t)=t/t^2+1 ___________ tons
- If the typical household uses, on average, 3 kW of electrical power constantly, what would the electrical bill be each month? Use the estimate that 1 kW · hr costs 6 cents.If you answer both questions, you'll get a 100% rating. thanksHow much time does it take to do 9,560 Joules of work with 860 watts of power?
- the chief executive at a fast food company earned 18.7 million io one year, while the median wage of the workers at the company was 6910 that year. use scientific notation to figure out how many times the median wage the chef executive was earningFinal Answers should be in 3 significant figures.Suppose you use 61 kWh (kilowatt hours) of electricity at $0.39 per kWH, 100 kWh at $0.32 per kWh, and 86 kWH at $0.30 per kWh. What is your average cost per kHW of electricity? Find the weighted average. Enter your answer rounded to two decimal places and do not include the dollar sign.