You are hiking along a trail in a wide, dry canyon where the outdoor temperature is T = 27° C. To determine how far you are away from the canyon wall you yell “Hello” and hear the echo t = 2.75 s later.
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You are hiking along a trail in a wide, dry canyon where the
outdoor temperature is...
(6%) Problem 12: A student standing in a canyon yells "echo", and her voice produces a...
(6%) Problem 12: A student standing in a canyon yells "echo", and her voice produces a sound wave of frequency of f= 0.75 kHz. The echo takes t = 4.6 s to return to the student. Assume the speed of sound through the atmosphere at this location is v= 329 m/s. Randomized Variables f= 0.75 kHz t=4.6 s y= 329 m/s DA 33% Part (a) What is the wavelength of the sound wave in meters? Grade Summary Deductions 0% Potential...
(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 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...
(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 -...
(20%) Problem 3: A 1.25-kg mass oscillates according to the equation x(t)=0.51 cos(13.5t), where the position...
(20%) Problem 3: A 1.25-kg mass oscillates according to the equation x(t)=0.51 cos(13.5t), where the position x(t) is measured in meters. A 25% Part (a) What is the period, in seconds, of this mass? T=1 ( HOME sin cos tan cotan() asin() acos atan() acotan) sinh) cosh tanh() cotanh Degrees Radians JT 7 8 9 E M 4 5 6 2 3 0 VO BACKSPACE 1 + END . CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per...
I need help with both A & B, could someone help & explain how to solve...
I need help with both A & B, could someone help &
explain how to solve this
(1696) Problem 5: A port charge of£6 μ0is placed at the origin (r-o) of a coordinate system, and another charge of placed placed on the x-axis at x2 0.26 m. 1.1 μοί > ▲ 50% Part (a) Where on the x-axis can a third charge be placed in meters so that the net force on it is zero? Grade Summary Deductions Potential 0%...
(11%) Problem 8: Suppose you want an oboe to produce a fundamental frequency of 116 Hz...
(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()...
(13%) Problem 7: An object 1.4 cm high is held 2.95 cm from a person's cornea,...
(13%) Problem 7: An object 1.4 cm high is held 2.95 cm from a person's cornea, and its reflected image is measured to be 0.169 cm high. > 33% Part (a) What is the magnification? m= 1 Grade Summary Deductions Potential 100% 0% o E sin() cos() tan() cotan() asin() acos() atan() acotan() sinh() cosh) | tanh() | cotanh() | Degrees Radians ( 7 8 9 HOME 4 5 6 1 2 3 | + |-| 0 | || END...
(17%) Problem 6: Two cars collide at an icy intersection and stick together afterward. The first...
(17%) Problem 6: Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1350 kg and is approaching at 6.5 m/s due south. The second car has a mass of 650 kg and is approaching at 19.5 m/s due west. 33% Part (a) Calculate the magnitude of the final velocity, in meters per second, of the cars. Grade Summary Deductions Potential 100 ( HOME sin() cos() tan() cotan() asin() acos atan acotan)...
(25%) Problem 1: Consider the circuit in the diagram, with sources of emf listed below. Randomized...
(25%) Problem 1: Consider the circuit in the diagram, with sources of emf listed below. Randomized Variables & = 27 V * = 46 V E = 9.5 V E4 = 32 V 5.00 3R 3200 R the WA 50 22 40 2 не 3 4 >0.200 Otheexpertta.com A 33% Part (a) Find 11 in amps. 11 = 1 Grade Summary Deductions 0% Potential 100% HOME E sin() cos t an() cotan a sin) acoso atan acotan sinh( cosh) tanh()...
(6%) Problem 12: A student standing in a canyon yells "echo", and her voice produces a sound wave of frequency of f= 0.75 kHz. The echo takes t = 4.6 s to return to the student. Assume the speed of sound through the atmosphere at this location is v= 329 m/s. Randomized Variables f= 0.75 kHz t=4.6 s y= 329 m/s DA 33% Part (a) What is the wavelength of the sound wave in meters? Grade Summary Deductions 0% Potential...
(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 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...
(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 -...
(20%) Problem 3: A 1.25-kg mass oscillates according to the equation x(t)=0.51 cos(13.5t), where the position x(t) is measured in meters. A 25% Part (a) What is the period, in seconds, of this mass? T=1 ( HOME sin cos tan cotan() asin() acos atan() acotan) sinh) cosh tanh() cotanh Degrees Radians JT 7 8 9 E M 4 5 6 2 3 0 VO BACKSPACE 1 + END . CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per...
I need help with both A & B, could someone help &
explain how to solve this
(1696) Problem 5: A port charge of£6 μ0is placed at the origin (r-o) of a coordinate system, and another charge of placed placed on the x-axis at x2 0.26 m. 1.1 μοί > ▲ 50% Part (a) Where on the x-axis can a third charge be placed in meters so that the net force on it is zero? Grade Summary Deductions Potential 0%...
(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()...
(13%) Problem 7: An object 1.4 cm high is held 2.95 cm from a person's cornea, and its reflected image is measured to be 0.169 cm high. > 33% Part (a) What is the magnification? m= 1 Grade Summary Deductions Potential 100% 0% o E sin() cos() tan() cotan() asin() acos() atan() acotan() sinh() cosh) | tanh() | cotanh() | Degrees Radians ( 7 8 9 HOME 4 5 6 1 2 3 | + |-| 0 | || END...
(17%) Problem 6: Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1350 kg and is approaching at 6.5 m/s due south. The second car has a mass of 650 kg and is approaching at 19.5 m/s due west. 33% Part (a) Calculate the magnitude of the final velocity, in meters per second, of the cars. Grade Summary Deductions Potential 100 ( HOME sin() cos() tan() cotan() asin() acos atan acotan)...
(25%) Problem 1: Consider the circuit in the diagram, with sources of emf listed below. Randomized Variables & = 27 V * = 46 V E = 9.5 V E4 = 32 V 5.00 3R 3200 R the WA 50 22 40 2 не 3 4 >0.200 Otheexpertta.com A 33% Part (a) Find 11 in amps. 11 = 1 Grade Summary Deductions 0% Potential 100% HOME E sin() cos t an() cotan a sin) acoso atan acotan sinh( cosh) tanh()...
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