(10%) Problem 8: Consider the terminal voltage of a 3.00 V lithium cell in a digital...
(25%) Problem 2: Consider a person whose body temperature has risen because of a fever. A What is the temperature, in degrees Fahrenheit, of a person with a 39.2°C fever? T[°F] = 1 o ( 7 8 9 HOME E ^^ 4 5 6 sin() cos() tan() cotan() asin() acos() atan) acotan() sinh cosh() tanh) | cotanh() Degrees Radians * 1 2 3 .. → END 0 BACKSPACE DEL CLEAR Submit Hint Feedback I give up!
(14%) Problem 2: A wire carrying 390 A to the motor of a commuter train feels an attractive force of 3.8 x 10-3 N/m due to a parallel wire carrying 5.5 A to a headlight. Randomized Variables 1; = 390 A 12 = 5.5 A F = 3.8 x 10-3 N/m > * How far apart are the wires in meters? r= 0.08681 7 89 HOME л E ^^ 4 5 sin() cos tano cotan asin() acos atan acotan sinh)...
(13%) Problem 8: In open heart surgery, a small amount of energy is often used to defibrillate the heart 50% Part (a) What voltage in kilovolts, is applied to the 9.25 μ-capacitor of a heart defibrillator that stores 37 J of energy? Grade Summary Deductions Potential 6% 94% 7 8 9 HOME sin cotan atan cosh coS asin acotan tanh) o Degrees o Radians tan acos sinh cotanh Submissions Attempts remaining: 4 (3% per attempt) detailed view END BACKSPA DEL...
(20%) Problem 1: Water emerges straight down from a faucet with a 1.95-cm diameter at a speed of 0.495 m/s. (Because of the construction of the faucet, there is no variation in speed across the stream.) 50% Part (a) What is the flow rate through this faucet, in cubic centimeters per second? sin cotan atan cos( asin( acotan tanh Degrees tan0 7 8 9 НОME л E 4 5 acos( sinh cotanh 6 1 2 cosh() 0 END Radians VO...
(18%) Problem 2: Suppose a generator has a peak voltage of 255 V and its 500 turn, 5.5 cm diameter coil rotates in a 0.375 T field. Randomized Variables 80 = 255 V B=0.375 T d=5.5 cm What frequency in rpm must the generator be operating at? select part Grade Summ Deductions Potential cancel notext costant 7 8 9 HOME cotan asin) acos E 456 - atan acotan sinh) 1 2 3 - Cosh) | tanh) | cotanh) + -...
(13%) Problem 6: Consider an appliance that consumes 4.75 kW.h of energy per day. > A 50% Part (a) What is the average power consumption, in watts, of the appliance? P= o E sin() cos tan() cotan() asin() acos() atan() acotan() sinh) cosh() | tanh() cotanh() Degrees Radians ( 7 8 ^^^V 4 5 * 1 2 + - 0 VO BACKSPACE 9 6 3 . DEL Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining:...
(11%) Problem 8: Suppose you want an oboe to produce a fundamental frequency of 116 Hz (which is below the range of a typical oboe) on a day when the temperature is 14.5°C. DA If you treat the oboe as a perfect air column which is open at both ends, how long, in meters, should the oboe be? L=1 Grade Summary Deductions 0% Potential 100% ( E sin cos t an() cotan asin() acos() atan) acotan sinh) cosh() tanh( cotanh()...
(17%) Problem 6: A 65-kg skydiver jumps out of an airplane and falls 490 m, reaching a maximum speed of 59 m/s before opening her parachute. Randomized Variables m= 65 kg h= 490 m v=59 m/s 50% Part (a) How much work, in joules, did air resistance do on the skydiver before she opened her parachute? Grade Summary Deductions 0% Potential 100% ( | E sin() cos() tan() cotan asin() acos atan) acotan sinh) cosh tanh cotanh Degrees O Radians...
(14%) Problem 2: The "lead" in pencils is a graphite composition with a Young's modulus of about 1.10 N/m. * Calculate how much shorter (in mm) the length of the lead becomes in an automatic pencil if you tap it straight into the pencil with a force of 4.8 N. The lead is 0.55 mm in diameter and 61 mm long. Grade Summary AL = 3.391 Deductions 12% Potential 88% sin() cos t an() cotan) asin() acos() atan) acotan sinh)...
(25%) Problem 1: A wire carrying 415 A to the motor of a commuter train feels an attractive force of 4.1 x 10-3 N/m due to a parallel wire carrying 5.2 A to a headlight. Randomized Variables 1 = 415 A 12 = 5.2 A F= 4.1 x 10-3 N/m 8 How far apart are the wires in meters? r = 1.7 * 10-51 Grade Deducti Potentia PETITIE sin() cos tan() cotan asin() acos | atan() | acotan) | sinh)...