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Review Part A A 67 g bungee cord has an equilibrium length of 1.20 m. The...
A 75 g bungee cord has an equilibrium length of 1.2 m. The cord is stretched...
A 75 g bungee cord has an equilibrium length of 1.2 m. The cord is stretched to a length of 1.8 m, then vibrated at 20 Hz. This produces a standing wave with two antinodes. What is the spring constant of the bungee cord (in N/m)?
7. A bungee cord of mass m and length Lis stretched to a length of 5L/4...
7. A bungee cord of mass m and length Lis stretched to a length of 5L/4 and then vibrated at a frequencyf, producing a standing wave with four antinodes. A. (5 points) Include a diagram showing the original cord, the stretched cord and the standing wave B. (20 points) What is the spring constant of the cord?
A string vibrates at its third-harmonic frequency Review Part A A string vibrates at its third-harmonic frequency. The amplitude at a point 42 cm from one end is half the maximum amplitude How long i...
A string vibrates at its third-harmonic frequency
Review Part A A string vibrates at its third-harmonic frequency. The amplitude at a point 42 cm from one end is half the maximum amplitude How long is the string? Express your answer to two significant figures and include the appropriate units. Value Units Review Part A A metal wire under tension To vibrates at its fundamental frequency For what tension will the third-harmonic frequency be the same as the fundamental frequency at...
4. A wire with mass density 1.00 g/m and length 1.80 m is stretched between two...
4. A wire with mass density 1.00 g/m and length 1.80 m is stretched between two (fixed) clamps. It is vibrated at its third harmonic with a frequency of 240 Hz. a) Draw the standing wave pattern, labeling nodes and antinodes. b) What is the tension in the string? c) What is the fundamental frequency?
Review Part A (Figure 1) shows a standing wave on a 1.8 m -long string that...
Review Part A (Figure 1) shows a standing wave on a 1.8 m -long string that has been fixed at both ends and tightened until the wave speed is 30 m/s What is the frequency? Express your answer with the appropriate units. You may want to review (Pages 460 463) Figure 1 of 1> Value Units Submit Previous Answers Request Answer XIncorrect; Try Again; 15 attempts remaining Provide Feedback Next >
Review Part A A parallel plate capacitor is made from two aluminum-foil sheets, each 6.6 cm...
Review Part A A parallel plate capacitor is made from two aluminum-foil sheets, each 6.6 cm wide and 5.2 long. Between the sheets is a Teflon strip of the same width and length that is 4.1x102 mm thick What is the capacitance of this capacitor? (The dielectric constant of Teflon is 2.1.) Express your answer using two significant figures AF Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining rovide Feedback Next >
The figure shows a standing wave on a string of length L = 1.20 m with...
The figure shows a standing wave on a string of length
L = 1.20 m with fixed ends oscillating at frequency
f = 450 Hz. Answer the following questions.
1. What is the speed of wave propagation in the
string?
2. The linear mass density of the string is ? = 10.0 g/m. (Note
the units.) What is the tension FT in the
string?
3. The tension in the string is changed to
F'T = 324 N. What does the...
Review Part A What are the x- and y ts of the velocity vector shown in...
Review Part A What are the x- and y ts of the velocity vector shown in the figure? (Figure 1) Express your answer to two significant figures and include the appropriate units. Value Units Uz Submit Part B Express your answer to two significant figures and include the appropriate units. Value Units Submit Figure 1 of 1> Provide Feedback 30° V (100 m/s, south)
Problem 5.53 < 3 of 3 > Review Part A A boy stands out at the...
Problem 5.53 < 3 of 3 > Review Part A A boy stands out at the end of the diving board, which is supported by two Springs A and B, each having a stiffness of k = 15 kN/m. In the position shown the board is horizontal. Assume the spring A is fixed to both the ground and the board, and spring B is fixed to the ground only (Figure 1) If the boy has a mass of 40 kg,...
Review1 Constants Astronauts on the first trip to Mars take along a pendulum that has a...
Review1 Constants Astronauts on the first trip to Mars take along a pendulum that has a period on earth of 1.50 S. The period on Mars turns out to be 2.45 S. Part A What is the Martian free-fall acceleration? Express your answer to three significant figures and include the appropriate units. gMar.- ו Value Units Submit Request Answer Provide Feedback Next >
7. A bungee cord of mass m and length Lis stretched to a length of 5L/4 and then vibrated at a frequencyf, producing a standing wave with four antinodes. A. (5 points) Include a diagram showing the original cord, the stretched cord and the standing wave B. (20 points) What is the spring constant of the cord?
A string vibrates at its third-harmonic frequency
Review Part A A string vibrates at its third-harmonic frequency. The amplitude at a point 42 cm from one end is half the maximum amplitude How long is the string? Express your answer to two significant figures and include the appropriate units. Value Units Review Part A A metal wire under tension To vibrates at its fundamental frequency For what tension will the third-harmonic frequency be the same as the fundamental frequency at...
4. A wire with mass density 1.00 g/m and length 1.80 m is stretched between two (fixed) clamps. It is vibrated at its third harmonic with a frequency of 240 Hz. a) Draw the standing wave pattern, labeling nodes and antinodes. b) What is the tension in the string? c) What is the fundamental frequency?
Review Part A (Figure 1) shows a standing wave on a 1.8 m -long string that has been fixed at both ends and tightened until the wave speed is 30 m/s What is the frequency? Express your answer with the appropriate units. You may want to review (Pages 460 463) Figure 1 of 1> Value Units Submit Previous Answers Request Answer XIncorrect; Try Again; 15 attempts remaining Provide Feedback Next >
Review Part A A parallel plate capacitor is made from two aluminum-foil sheets, each 6.6 cm wide and 5.2 long. Between the sheets is a Teflon strip of the same width and length that is 4.1x102 mm thick What is the capacitance of this capacitor? (The dielectric constant of Teflon is 2.1.) Express your answer using two significant figures AF Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining rovide Feedback Next >
The figure shows a standing wave on a string of length
L = 1.20 m with fixed ends oscillating at frequency
f = 450 Hz. Answer the following questions.
1. What is the speed of wave propagation in the
string?
2. The linear mass density of the string is ? = 10.0 g/m. (Note
the units.) What is the tension FT in the
string?
3. The tension in the string is changed to
F'T = 324 N. What does the...
Review Part A What are the x- and y ts of the velocity vector shown in the figure? (Figure 1) Express your answer to two significant figures and include the appropriate units. Value Units Uz Submit Part B Express your answer to two significant figures and include the appropriate units. Value Units Submit Figure 1 of 1> Provide Feedback 30° V (100 m/s, south)
Problem 5.53 < 3 of 3 > Review Part A A boy stands out at the end of the diving board, which is supported by two Springs A and B, each having a stiffness of k = 15 kN/m. In the position shown the board is horizontal. Assume the spring A is fixed to both the ground and the board, and spring B is fixed to the ground only (Figure 1) If the boy has a mass of 40 kg,...
Review1 Constants Astronauts on the first trip to Mars take along a pendulum that has a period on earth of 1.50 S. The period on Mars turns out to be 2.45 S. Part A What is the Martian free-fall acceleration? Express your answer to three significant figures and include the appropriate units. gMar.- ו Value Units Submit Request Answer Provide Feedback Next >
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