How does arbitrariness present a problem for Moral Relativism?
Category: Physics
The function of a washing machine/dryer in terms of circular motions
Discuss the function of a washing machine/dryer in terms of circular motions, centripetal force, and pseudo centrifugal force. Elaborate on the separation process of water from the wet cloths using physics knowledgeDiscuss the function of a centrifuge using physics principles.
Magnetic disk
To simplify our explanations about magnetic disk access speeds, in this chapter, we use rotation speeds of 3,600 rpm and sustained data transfer rates on the order of one megabyte per second. However, current technology has pushed those numbers higher. Research current rotation speeds and data transfer rates for magnetic disks. Cite your sources, dates of the published research, and the type of computer (laptop, desktop, and so on) that uses the disk.
Configuration leads to the lowest temperature
1. Find out which of the follow configuration leads to the lowest temperature on the fins:
a. The air inlet is on the top of the box and four side boundaries are outlet boundaries as
shown in Figure 1.
b. One side is a wall with the 80mm-diameter circular air inlet (same size as the inlet in
Figure 1) and the opposite side is the outlet. The rest two sides are solid walls and top
surface is solid wall. Income airflow is in the horizontal direction.
c. One side is a wall with the 80mm-diameter circular air inlet (same size as the inlet in
Figure 1) and air flows through the rest three sides. The rest three sides are outlet
boundaries and the top surface is solid wall.
d. One side is a wall with the 80mm-diameter circular air inlet (same size as the inlet in
Figure 1) and air flows through the rest three sides and top surface. The rest three
sides are outlet boundaries and the top surface is outlet boundaries (open).
Fluid and electrolyte imbalance
Describe what a fluid and electrolyte imbalance is and how this is important to the function of the body?
Pick a fluid or electrolyte imbalance and describe how the patient would present, in addition to the treatment (nursing and expected medical)?
The gap faces
A solenoid relay shown in Fig. 35.16 is operated from a 110 V d.c.
supply and the 5000-turn coil resistance is 5.5 kΩ. The core diameter
of the relay is 20 mm and the gap length is 1.5 mm, the armature
being stationary. The gap faces may be taken as parallel and the
permeability of the ferromagnetic parts as very high. Estimate:
(a) the gap flux density;
Series with the battery to limit
A half-wave rectifier circuit is used to charge a battery
of e.m.f. 12 V and negligible internal resistance. The
sinusoidally varying alternating supply voltage is 24 V
peak. Determine the value of resistance to be connected
in series with the battery to limit the charging
current to 1.0 A. What peak current would flow in
the diode if the battery were reversed?
Wave rectifier circuit
Sketch one form of full-wave rectifier circuit together
with smoothing components. If the supply frequency
is 400 Hz, what is the ripple frequency?
Peak currents
What are the peak currents in Q. 1 if in addition a
50 Ω resistor is included in series with the sine-wave
source in each case? (You might need some assistance
with this one.)
Sine waves of peak
If sine waves of peak values (a) 0.1 V, (b) 1 V, (c) 5 V
are connected in turn in series with the device
described in Q. 10 of Exercises 19 (see page 418), what
is the peak current in each case, assuming that the
diode is still operating within its rate limits