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(205) Problem 5: Suppose a piano tuner stretches a steel piano wire 5.5 mm. The wire...
(5%) Problem 8: Consider a 470 nm wavelength blue light falling on a pair of slits...
(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 1: A wire carrying 415 A to the motor of a commuter train feels...
(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)...
please help i dont understand. (10%) Problem 3: With the aid of a string, a gyroscope...
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...
(25%) Problem 4: A shopper standing 3.25 m from a convex security mirror sees his image...
(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...
(5%) Problem 6: The "lead" in pencils is a graphite composition with a Young's modulus of about 1.10 N/m. AL Calcul...
(5%) Problem 6: The "lead" in pencils is a graphite composition with a Young's modulus of about 1.10 N/m. AL 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 3.2 N. The lead is 0.57 mm in diameter and 63 mm long. Grade Summary Deductions Potential 100 tan() ( 7 8 9 Submissions Attempts remaining: 10 cotano asino acos E M...
(11%) Problem 9: A certain slide projector has a 100 mm focal length lens. > *...
(11%) Problem 9: A certain slide projector has a 100 mm focal length lens. > * 33% Part (a) How far away is the screen in meters, if a slide is placed 110 mm from the lens and produces a sharp image? d; = -21 Grade Summary Deductions 6% Potential 94% cancel notext HOME cos tan cotan asino acos atan) acotan() sinh cosh() tanh cotanh() Degrees Radians ( 7 8 9 E 1^ 4 5 6 1 2 3 -...
(14%) Problem 2: The "lead" in pencils is a graphite composition with a Young's modulus of...
(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)...
Calculate the force a piano tuner applies to stretch a steel piano wire 7.50 mm, if...
Calculate the force a piano tuner applies to stretch a steel piano wire 7.50 mm, if the wire is originally 0.870 mm in diameter and 1.30 m long. Young's modulus for steel is 210 ⨯ 109 N/m2.
Calculate the force a piano tuner applies to stretch a steel piano wire 8.50 mm, if...
Calculate the force a piano tuner applies to stretch a steel piano wire 8.50 mm, if the wire is originally 0.880 mm in diameter and 1.35 m long. Young's modulus for steel is 210 cross product 109 N/m2. N
(5%) Problem 9: Light of wavelength 624 nm in air undergoes constructive interference when it is...
(5%) Problem 9: Light of wavelength 624 nm in air undergoes constructive interference when it is perpendicularly reflected from an oil spill on a plastic sheet. The refractive index of the oil is 1.22 and that of the plastic is 1.43. A What is the nonzero thickness, in nanometers of the thinnest oil film that causes such interference? 1 = Grade Summary Deductions Potential 0% 100% ( 7 8 9 HOME E 4 5 6 sin cos tano cotano asino...
(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 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)...
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...
(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...
(5%) Problem 6: The "lead" in pencils is a graphite composition with a Young's modulus of about 1.10 N/m. AL 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 3.2 N. The lead is 0.57 mm in diameter and 63 mm long. Grade Summary Deductions Potential 100 tan() ( 7 8 9 Submissions Attempts remaining: 10 cotano asino acos E M...
(11%) Problem 9: A certain slide projector has a 100 mm focal length lens. > * 33% Part (a) How far away is the screen in meters, if a slide is placed 110 mm from the lens and produces a sharp image? d; = -21 Grade Summary Deductions 6% Potential 94% cancel notext HOME cos tan cotan asino acos atan) acotan() sinh cosh() tanh cotanh() Degrees Radians ( 7 8 9 E 1^ 4 5 6 1 2 3 -...
(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)...
(5%) Problem 9: Light of wavelength 624 nm in air undergoes constructive interference when it is perpendicularly reflected from an oil spill on a plastic sheet. The refractive index of the oil is 1.22 and that of the plastic is 1.43. A What is the nonzero thickness, in nanometers of the thinnest oil film that causes such interference? 1 = Grade Summary Deductions Potential 0% 100% ( 7 8 9 HOME E 4 5 6 sin cos tano cotano asino...
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