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A leaky bucket was pulled from the ground up to 8 meters above the ground at a constant rate of 0.5 meters per second. Initially, the bucket contained 25 liters of water. The water was leaking out of the bucket at a constant rate of 0.3 liters per second. Assume that both the bucket and the rope have neglible weight. The acceleration due to gravity is 9.8 m/s2 . The density of water is 1 kilogram per liter.
Find the total amount of work done (in joules) when the bucket of water was moved from the ground to 8 meters above the ground.
an abc-phase sequence three-phase balanced wye connected 60 Hz source supplies a balanced delta-connected load. the phase impedance in the load consists of 20 ohm resistor in series with a 50 mh inductor and the phase voltage at the source
1. Write the C statement needed to arm the Port J interrupt? 2. What does placing asm("cli") at the beginning of an ISR do? 3. Explain what the software interrupt (SWI) does.
find the desired recycle ratio (moles recycled/moles fresh feed) if in the fresh feed A is 20% in excess, the once through conversion of B is 60%, and the overall conversion of B to products from the overall process is 90%.
A shunt dc motor has RA = 0.1-ohm and VT = 440 V. For an output power of 16.1 hp, nm = 1,213 rpm and IA = 103 A. The field current remains constant. Find the the rotational power loss in hp.
The motor draws a current of 20 A at givenload. Armature resistance method of speed control is employed tocontrol the speed of the motor. Calculate (a)the resistance that should be added to the armature circuit toreduce the speed by 40%
Which would you expect to have a bigger effect on the power consumption of a CMOS circuit, a 5% increase in power-supply voltage or a 5% increase in internal and load capacitance
In a bank, among the accounts opened before 2005, 40% are saving accounts, 20% are chequing accounts and rest are mutual fund accounts. These numbers for accounts opened on or after 2005 are: 30% saving accounts,
An asynchronous cardiac pacemaker operates at a rate of 70 pulses/min. These pulses are of 2ms duration and have an amplitude of 5V when driving a 500ohm load. A) What is the total energy supplied to this load over a 10 year period
You have a 10 meter length of .5 cm diameter Nichrome wire. A24 VDC voltage is to be applied to it. The initial wire temp is 70degF. The final wire temp is 200 degF. What ids the initial currentand what is the final current
a. Calculate the magnitude and phase angles of the phase voltages at the load. b. Calculate the magnitude and phase angles of the 3 line currents.
The waveform output by the signal generator in part (b) is changed so that the rectangular pulses have the same width but no longer are periodic. They occur at random intervals of time. Explain in words how the display on the spectrum screen would..
Design a controller with a 4-bit state register that gets synchronously initialized to state 1010 when an input reset is set to 1.
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