A composite load consists of two loads
A composite load consists of two loads connected in parallel. One draws 100 W at a PF of 0.8 lagging, another takes 200 W at a PF=1. What is the PF of the composite load ?
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A lossless 10 - turn helical antenna with a circumference of one -wavelength is connected to a 78-ohm coaxial line, and it is used as a transmitting antenna in a 500 MHz spacecraft communication system. The spacing between turns is?
A 0.750 kg block is attached to a spring with spring constant 17.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 47.0 cm/s. What are The amplitude of the subsequent oscillat
Trimethylamine ionizes as follows in water. What concentration of trimethylammonium ion, (CH3)3NH+ is present in 9.0 x 10(to the -2 power)M of (CH3)3N ?
In a Carnot cycle, heat is supplied at 350°C and rejected at 27°C. The working fluid is water, which, while receiving heat, evaporates from liquid at 350°C to steam at 350°C.
A pickup truck with a mass of 1230 kg is moving at 105 km/h stops within a distance of 53.0 m. (a) What is the direction and size of the force that acts on the truck? (b) How much more slowing force would be required to stop the truck in half the
How many times more ignition energy is required to achieve ignition of a fuel-air mixture at sea level with T = 298 K than at altitude of 6000 m where pressure P = 47,166 Pa and T = 248 K?
A dc series motor (A) should always be started on load (B) is most suitable for high starting torque. (C) always run at constant speed. (D) may 'run away' if the field gets opened.
Two students are on a balcony 20.1 m above the street. One student throws a ball (ball 1) vertically downward at 13.0 m/s; at the same instant, the other student throws a ball (ball 2) vertically upward at the same speed. The second ball just miss
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create a temporary committee to investigate the cause of the recent werewolf attacks in major cities throughout the United States.
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Analyze leadership of an organization during a particular event or across a defined set of events. The assignment will assess your ability to identify