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CALCULUS II
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- Q.9 (a) How much work is done by gravity in moving a 1.2 kg ball to a height 1.2 m? (b) If PE lost KE gain. Find the velocity of the ball at 1.2m? Q.10 A transformer has 50 loops on its primary coil and a 25 loops On it's secondary coil. If the primary coil is supplied with an alternating current 480V. (a) What is the voltage in the secondary coil (b) What is the current flow in the secondary coil if the supplied current in the primary coil is 20 A.? (c) Is it step up or Step-down transformer?2. Please typewritten for upvote.Find the cost of a 0.500-kW computer that runs 15 hrs per day for one month (30 days) if the cost of electricity is $0.190 per kW-h. A) $42.75 per month $23.63 per month C) $36.39 per month $59.87 per month
- Given: power needed to run the TV: 500W What is the cost of running the T.v if we binge watch 5 hours of netflix? Assume the utility rate is 0.10 $/kWhr. Answer: $0.25 Show all workCalculate the average power outpA 2.5 HP motor operates at 1725 RPM when connected to 120 Volts (single phase, 100% efficient). How many ft-lbs of torque does it provide at that speed? What is its power in Watts? How much current does it draw?
- Calculate the cost of 50 hp motor 5 years ago? If the cost of 25 hp motor was 5000$, 5 years ago and power-sizing exponent is 0.5. Select one: a. 7701 b. 7071 c. 7170Sctup Vs: 1auv 2V 1 Is 1A 160 100 An idenl transtivmar s Shwr below The vl tun Onthe prmany Curuntis 1ov.Thu primart ciruit has 4 turns, the Secundony armit has 8 turns what Is the Vtage on the secand Gruit. NP P Vs Ns Ahimay Prum cendanyA central horizontal force of 1.4 N is necessary to move a drum 900 mm in diameter on a level surface. Assuming that the coemcient of rolling resistance is 0.635 mm, what is the mass ofthe drum?