Blog

(a).        The speed of a wave sent down a steel cable of total length 63 m and mass 180 kg connected to two poles is 26.5 m/s. What is the tension in the              cable?                                                                                                      (3.0 points)     (b).       The lower frequency limit for human hearing is usually considered to be 20.0 Hz. What is the corresponding wavelength for this frequency on a hot             summer day when the temperature is 37.8oC?                                                       (4.5 points)

Early in his essay, Alex Ross writes that Beau Travail is “a variation on Melville’s fable of repression and violence.” What form of repression is he primarily referring to in the film?

(a).      The heating element of an iron operates at 110 V with a current of 6 A.  (i).         What is the power dissipated by the iron?                                                                                          (1.5 points) (ii).         Calculate the energy consumed in J and in kW-hr if the heating element is in operation for 1.2 hr.                                          (2.5 points) (b).         Three resistors, 10.0 Ω, 20.0 Ω, and 30.0 Ω are connected in parallel and powered by a 12.0-V dc source. What is the current in the circuit?                                                                                                        (3.0 points)

Alex Ross writes that Claire Denis “draws a telling contrast between the regimented boredom of the Legionnaires’ lives and the mellow, purposeful routine of the Djibouti natives,” noting that the French soldiers “blend into the desert terrain with their drab gear,” while the Djibouti women “light it up with vibrant color.” What is the primary effect of this contrast?

Which of the following structures is the body’s own natural pacemaker? 

Which of the following can often successfully treat a heart block?

Which of the following are the two types of protein molecules, most critical to immune system functioning? (Select 2)

Midterm Exam II  (Due 04/13)Exam II (covers chapters 4-6)Duration: 90 minutesAttempts: oneMidterm Exam 1 will be closed book and closed notes. The exam will be administered through HonorLock automated ProctorTime limit: 105 minutes (15 min to upload written answers) Exam period: Exam I should be taken via HonorLock 04/12 and 4/13 between 8am and 10:30 pm     Students can type answers within the blackboard OR write answers on paper and upload a scan or picture of handwritten work.

Which of the following is not a deflection or wave seen on an ECG (EKG)? 

Which of the following structures connects the pituitary stalk to the pituitary body?