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In the bird-on-a-wire group work example, how do you expect the angle and tension to be related? Remember that this is static equilibrium, so the acceleration is zero-no angry bird slingshot here! Answer 1-As long as we keep the bird's weight constant and everything is in static equilibrium, the tension and angle are completely independent. 2-If you increase the tension (relative to the bird's weight mg), you expect the wire to sag less, so the angle gets smaller. 3-Birds can never be in static equilibrium. 4-If the angle is big, there must be a lot of tension. Thus, as you increase the tension relative to the bird's weight, the wire must sag more and the angle gets larger. which one is the right answer?
Specifies that just the data points be marked with a circle. Showing the general trend of safety as a function of dia, with the actual data points marked by a circle. Is that explanation of the plot command still a little opaque?
Sketch and annotate the drive train described above. What's the overall system gear ratio? Formula, Substitute/Solve,
If it is known that the value of the stress exponent n for this alloy is 8.2, compute the steady-state creep rate at 1300 K and a stress level of 89 MPa.
a homogeneous cylinder with weight g and radius r lay on a roughnbsphorizontal floor and adjoins to a rough vertical
A flywheel can be considered as being composed of a thin disc and a rim. The rim weighs 322 lb and has diameters of 24 in. and 30 in. The disc weighs 64.4 lb. Determine the mass moment of inertia about the centroidal axis about which the flywheel ..
block b moves downward with a constant velocity of 20 mms at t0 block a moving upward with a constant acceleration and
a spherical interplanetary probe of 0.5-m diameter contains electronics that dissipate 150 w. if the probe surface
Air enters an adiabatic duct of L/D = 40 at V1 = 170 m/s and T1 = 300 K. The flow at the exit is choked. What is the average friction factor in the duct?
In order to increase production rate, a reactor setpoint was increased from 160 psig to 190 psig. The reactor pressure transmitter was recalibrated from 0- 200 psig to 0- 300 psig. What is the percent span for the old and new setpoints?
A light aircraft with a wing area of 200 ft2 has a lift coefficient of 0.4 and a drag coefficient of 0.05. the power required to maintain level flight is 66hp. determine the weight of the airplane. recall power is force in the direction of velo..
A slotted disk and opto-interrupter outputs pulses at 62 HZ. The disk has only one slot cut in it. what is the rotating speed of the disk in rpm?
Electricity might be used to run the fan to draw air through the system, and also to run a chiller - What is a typical COP for a commercial chiller?
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