Explain how focalization of interest can be developed at the incurve of a planting bed
What will be an ideal response?
The focal point can be created using a specimen or accent plant, flower color, sculpture, a fountain, or even a piece of garden furniture.
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The knock sensor changes a vibration to a frequency signal and sends the signal to the computer.
Answer the following statement true (T) or false (F)
When decelerating on an exit ramp, a vehicle slows from 95 ft/s to 0 ft/s over a course of 8.0 seconds. What is the average acceleration during this time, in units of ft/ s^2?
What will be an ideal response?
A signal x(t) is sampled above its Nyquist rate to form a signal x[n] and is also impulse sampled at the same rate to form an impulse signal x?(t) . The DTFT of x[n] is X(F) = 10 rect(5F) ? ?1(F) or X ( ej? ) = 10 rect (5?/2?) ? ?2? (?) .
(a) If the sampling rate is 100 samples/second, what is the highest frequency at which the CTFT of x(t) is nonzero? (b) What is the lowest positive frequency greater than the highest frequency in x(t) at which the CTFT of x?(t) is nonzero? (c) If the original signal x(t) is to be recovered from the impulse sampled signal x?(t) , by using an ideal lowpass filter with impulse response h(t) = A sinc (wt) , what is the maximum possible value of w?
A separately excited DC motor is rated at 10 kW, 240 V, 1,000 rpm, and is supplied by a single-phase controlled bridge rectifier. The power supply is sinusoidal and rated at 240 V, 60 Hz. The motor armature resistance is 0.42 ?, and the motor constant is Ka = 2 V-s/rad. Calculate the speed, power factor, and efficiency for SCR firing angles ? of 0° and 20° if the load torque is constant. Assume that additional inductance is present to ensure continuous conduction.
What will be an ideal response?