Calculate the current,power and back emf of motor
A small electric car overcomes a 250 N friction force when traveling 30 km/h. The electric motor is powered by ten 12 V batteries connected in series and is coupled directly to the wheels whose diameters are 50 cm. The 300 armature coils are rectangular, 10 cm by 15 cm, and rotate in a 0.60 T magnetic field.
(a) How much current does the motor draw to produce the required torque?
A
(b) What is the back emf?
V
(c) How much power is dissipated in the coils?
W
(d) What percent of the input power is used to drive the car?
%
Expected delivery within 24 Hours
On January 1, 20X6, Climber Corporation acquired 90 percent of Wisden Corporation for $180,000 cash. Wisden reported net income of $30,000 and dividends of $10,000 for 20X6, 20X7, and 20X8.
At the time of the combination, Tester reported common stock outstanding of $200,000 and retained earnings of $150,000, and the fair value of the noncontrolling interest was $100,000.
Consolidated financial statements are being prepared for Behemoth Corporation and its two wholly-owned subsidiaries that have intercompany loans of $50,000 and intercompany profits of $100,000.
Yang Corporation wholesales repair products to equipment manufacturers. On May 1, 2014, Yang Corporation issued $20,000,000 of 10-year, 9% bonds at a market (effective) interest rate of 7%, receiving cash of $22,842,560.
A small electric car overcomes a 250 N friction force when traveling 30 km/h. The electric motor is powered by ten 12 V batteries connected in series and is coupled directly to the wheels whose diameters are 50 cm. The 300 armature coils ar
A parachutist with mass 86.0 kg jumps from an airplane traveling at a speed vi=112 km/hr at a height H=2570 m. He lands with a speed of vf=5.21 m/s. What is the change in mechanical energy of the earth-parachutist system from just after the jump to j
The average monthly electric bill of a random sample of 256 residents of a city is $90 with a standard deviation of $24. Construct a 90% confidence interval for the mean monthly electric bills of all residents.
Which one of the following methods assumes that all interim cash inflows generated by an investment earn a return equal to the internal rate of return (IRR) of the investment?
He neglected to report what confidence coefficient he had used. Based on the above information, determine the confidence coefficient that was used. Assume the population has a normal distribution.
1923465
Questions Asked
3,689
Active Tutors
1444525
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult