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(6%) Problem 7: This problem will ask about some of the basic characteristics of waves 50%...
(6%) Problem 13: Light travels at a velocity of c = 3.0 x 108 m/s in...
(6%) Problem 13: Light travels at a velocity of c = 3.0 x 108 m/s in a vacuum. Green light has a wavelength of 1 = 520 nm. Randomized Variables i = 520 nm A 33% Part (a) Input an expression for the frequency, v, of green light. v= Grade Summary Deductions 0% Potential 100% 2 C h 789 HOME 4 5 6 - 1 2 3 + - 0 . END NO BACKSPACE CLEAR Submissions Attempts remaining: 9 10%...
(6%) Problem 16: The speed of a wave on a string depends on specific properties of...
(6%) Problem 16: The speed of a wave on a string depends on specific properties of the string. * Which of the following ratios represent characteristics of a medium that determine wave speed? Select all that apply. bulk modulus/Young's modulus bulk modulus/density inertia density restoring force density resistance to deformation (mass/volume) Young's modulus density Grade Summary Deductions 10% Potential 90% Submissions Attempts remaining: 8 (10% per attempt) detailed view 10% Submit Hint Feedback I give up! Hints: 1% deduction per...
(8%) Problem 6: Amass m= 2.95 kg is at the end of a horizontal spring on...
(8%) Problem 6: Amass m= 2.95 kg is at the end of a horizontal spring on a frictionless horizontal surface. The mass is oscillating with an amplitude A = 8.5 cm and a frequency f= 1.9 Hz 20% Part (a) Write an equation for the spring constant k. k(2fm Correct! 20% Part (b) Calculate the spring constant k, in Newtons per meter k= 420.4 Correct! 20% Part (c) Write an equation for the total mechanical energy, E, of the motion....
(5%) Problem 14: Answer the following questions about the Heisenberg's uncertainty principle. Δ 2...
(5%) Problem 14: Answer the following questions about the Heisenberg's uncertainty principle. Δ 25% Part (a) Can the de Broglie wavelength of a particle be known precisely? Grade Summary Deductions 0% Potential 100% OYes, regardless of what we know about the position of the particle. O Yes, if its position is completely unknown No, it's impossible. Submissions Attempts remaining: 3 (0% per attempt) detailed view Igive up! Submit Hints: 0 for a deduction. Hints remaining: Feedback: 5% deduction per feedback...
(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...
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...
all answers please (25%) Problem 1: A mass m= 1.7 kg is at the end of...
all answers please
(25%) Problem 1: A mass m= 1.7 kg is at the end of a horizontal spring on a frictionless horizontal surface. The mass is oscillating with an amplitude A = 1.5 cm and a frequency f= 1.2 Hz. A 20% Part (a) Write an equation for the spring constant k. A 20% Part (b) Calculate the spring constant k, in Newtons per meter. A 20% Part (c) Write an equation for the total mechanical energy, E, of...
(7%) Problem 5: Suppose you have the 7.75 F capacitor of a heart defibrillator at a...
(7%) Problem 5: Suppose you have the 7.75 F capacitor of a heart defibrillator at a potential difference of 17.5 x 104 V. Randomized Variables V-17.5 x 104 v 50% Part (a) What is the energy stored in it in J? U 118671.88 U-118700 Correct! | 50% Part (b) Find the amount of stored charge in mC. Grade Summary Deductions 0% Potential Q = 13.561 100% (7%) Problem 15: select part Charges move in an electric field due to the...
(50%) Problem 1: A 60Co source (which has a half-life of 5.2714 y) is labeled 4.00...
(50%) Problem 1: A 60Co source (which has a half-life of 5.2714 y) is labeled 4.00 mCi, but its present activity is found to be 1.1 x 10' Bq Randomized Variables R = 1.1 × 107 Bq 50% Part (a) What is the present activity in mCi? Grade Summary 0% 100% Potential cosO cotanasin acos( atan0 acotansinhO coshO tanh cotanhO O Degrees O Radians in tan 兀 Submissions Attempts remaining: 7 (3%per attempt) detailed view 0 Submit Hint I give...
(6%) Problem 13: Light travels at a velocity of c = 3.0 x 108 m/s in a vacuum. Green light has a wavelength of 1 = 520 nm. Randomized Variables i = 520 nm A 33% Part (a) Input an expression for the frequency, v, of green light. v= Grade Summary Deductions 0% Potential 100% 2 C h 789 HOME 4 5 6 - 1 2 3 + - 0 . END NO BACKSPACE CLEAR Submissions Attempts remaining: 9 10%...
(6%) Problem 16: The speed of a wave on a string depends on specific properties of the string. * Which of the following ratios represent characteristics of a medium that determine wave speed? Select all that apply. bulk modulus/Young's modulus bulk modulus/density inertia density restoring force density resistance to deformation (mass/volume) Young's modulus density Grade Summary Deductions 10% Potential 90% Submissions Attempts remaining: 8 (10% per attempt) detailed view 10% Submit Hint Feedback I give up! Hints: 1% deduction per...
(8%) Problem 6: Amass m= 2.95 kg is at the end of a horizontal spring on a frictionless horizontal surface. The mass is oscillating with an amplitude A = 8.5 cm and a frequency f= 1.9 Hz 20% Part (a) Write an equation for the spring constant k. k(2fm Correct! 20% Part (b) Calculate the spring constant k, in Newtons per meter k= 420.4 Correct! 20% Part (c) Write an equation for the total mechanical energy, E, of the motion....
(5%) Problem 14: Answer the following questions about the Heisenberg's uncertainty principle. Δ 25% Part (a) Can the de Broglie wavelength of a particle be known precisely? Grade Summary Deductions 0% Potential 100% OYes, regardless of what we know about the position of the particle. O Yes, if its position is completely unknown No, it's impossible. Submissions Attempts remaining: 3 (0% per attempt) detailed view Igive up! Submit Hints: 0 for a deduction. Hints remaining: Feedback: 5% deduction per feedback...
(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...
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...
all answers please
(25%) Problem 1: A mass m= 1.7 kg is at the end of a horizontal spring on a frictionless horizontal surface. The mass is oscillating with an amplitude A = 1.5 cm and a frequency f= 1.2 Hz. A 20% Part (a) Write an equation for the spring constant k. A 20% Part (b) Calculate the spring constant k, in Newtons per meter. A 20% Part (c) Write an equation for the total mechanical energy, E, of...
(7%) Problem 5: Suppose you have the 7.75 F capacitor of a heart defibrillator at a potential difference of 17.5 x 104 V. Randomized Variables V-17.5 x 104 v 50% Part (a) What is the energy stored in it in J? U 118671.88 U-118700 Correct! | 50% Part (b) Find the amount of stored charge in mC. Grade Summary Deductions 0% Potential Q = 13.561 100% (7%) Problem 15: select part Charges move in an electric field due to the...
(50%) Problem 1: A 60Co source (which has a half-life of 5.2714 y) is labeled 4.00 mCi, but its present activity is found to be 1.1 x 10' Bq Randomized Variables R = 1.1 × 107 Bq 50% Part (a) What is the present activity in mCi? Grade Summary 0% 100% Potential cosO cotanasin acos( atan0 acotansinhO coshO tanh cotanhO O Degrees O Radians in tan 兀 Submissions Attempts remaining: 7 (3%per attempt) detailed view 0 Submit Hint I give...
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