
(15%) Problem 9: Two planets are on a collision course, heading directly towards each other at...
(5%) Problem 8: Consider a 470 nm wavelength blue light falling on a pair of slits separated by 0.035 mm. A At what angle (in degrees) is the first-order maximum for the blue light? Grade Summary Deductions 0% Potential 100% sino TT ( 9 HOME 7 8 45 E 6 cotan atan cosh cos tano asino acos acotan tanh cotanh Degrees O Radians Submissions Attempts remaining: 3 (0% per attempt) letailed view sinho 12 برا + - 0 END NO...
(25%) Problem 4: A shopper standing 3.25 m from a convex security mirror sees his image with a magnification of 0.275. 33% Part (a) What is his image distance in meters, measured from the surface of the mirror, given that the object distance is positive? d; = -0.89 d;=-0.89 Correct! 33% Part (b) What is the focal length of the mirror, in meters? f = -0.821 sino cos tan() cotan asino acos atan) acotan sinh cosh tanh) cotanh) Degrees Radians...
(10%) Problem 2: When laser light is passed through two narrow slits separated by 140 um, an interference pattern is observed on a screen 1.54 m away. The distance between the central spot and the first-order constructive interference is found to be 5.5 mm. 50% Part (a) Find the wavelength of the laser light, in nanometers. 1 = 500 Correct! > * 50% Part (b) At what angle, in degrees, from the central spot is the second-order constructive interference formed?...
(8%) Problem 2: Components of some computers communicate with each other through optical fibers having an index of refraction n = 1.55. Randomized Variables d= 0.215 m A What time in nanoseconds is required for a signal to travel 0.215 m through such a fiber? Grade Summary Deductions 0% Potential 100% 77 7 8 9 HOME E 4 5 6 sin cotan atan cosh cos tan asino acos acotano sinh) tanh cotanh( Degrees O Radians Submissions Attempts remaining: 10 (3%...
please help i dont understand.
(10%) Problem 3: With the aid of a string, a gyroscope is accelerated from rest to rad/s in 0.39. Randomized Variables c = 37 rad's t = 0.39 5 DA 50% Part (a) What is its angular acceleration, in radians per square seconds Grade Summary Deductions Potential 100% sino cos cotano asino atan acotan cosh tanh Degrees 11 t ano acos sinh cotanh) Radians Submissions Attempts remag per attempt detailed in Submit Hint I give...
(6%) Problem ll: An object with height 0.95 cm is placed a distance 21 cm in front of a thin converging lens with focal length 6.75 cm, as shown The focal point locations are indicated by the small black circles. A 20% Part (a) Calculate and enter a value for the distance between the image and the lens given the values in problem statement. di = cm Grade Summary Deductions 0% Potential 100% п 7 8 9 HOME E TA...
(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()...
(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)...
14%) Problem 4: An object of height 3.3 cm is placed 4.8 cm in front of a converging lens of focal length 23 cm. all parts > 50% Part (a) What is the image distance, in centimeters? Include its sign. Grade Summary Deductions Potential 100 sin cos tan cotan) asino acos atan acotan sinh cosh tanh cotanh Degrees Radians ) 7 8 4 5 1 2 + - 0 VO BACKSPACH 9 6 3 . HOME - - END CLEAR...
(20%) Problem 4: The shadow of a pendulum cast on a flat board moves on a straight line. By placing the x-axis on the straight line with the origin at the middle of the total path, the x-coordinate of the shadow is given by the following function: x(t) = 49cos(u), where t is in seconds and x is in centimeters. 425% Part (a) Find the speed, in centimeters per second, of the shadow at t = 1/4 s. VE Grade...