A steel wire is used to stretch a spring. An oscillating magnetic field drives the steel...
A steel wire is used to stretch a spring. An oscillating
magnetic field drives the steel wire back and forth. A standing
wave with three antinodes is created when the spring is stretched
7.5 cm. What stretch of the spring produces a standing wave with
two antinodes?
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...
A single-turn wire loop produces a magnetic field of 41.2 μT at its center, and 5.15 nT on its axis, at 23.0 cm from the loop center. A. Find the loop radius. Express your answer with the appropriate units. B. Find the current in the loop. Express your answer with the appropriate units.
Constants Periodic Table ▼ Part A A single-turn wire loop produces a magnetic field of 41.2 pT at its center, and 5.15 nT on its axis, at 26.0 cm from the loop center. Find the loop radius. Express your answer with the appropriate units. r= 1 Value Units Submit Request Answer Part B Find the current in the loop Express your answer with the appropriate units 1= 1 Value Units Submit Request Answer
Constants Periodic Table ▼ Part A A...
Constants A 11-cm-diameter circular loop of wire is placed in a 1.37-T magnetic field. Part A When the plane of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? Express your answer to two significant figures and include the appropriate units. NA ? Value Wb Submit Request Answer Part B The plane of the loop is rotated until it makes a 45 agle with the field lines. What is the angle in the...
36 of 10 Problem 3.14-Copy V Correct Determine the stretch in each spring for for equilibrium of the 1.6-kg block. The springs are shown in the equilibrium position. (Figure 1) Significant Figures Feedback: Your answer 3924 m(-39 24 cm) was either rounded differently or used a different number of significant figures than required for this part Part B Determine the stretch in spring AC Express your answer to three significant figures and include the appropriate units C 63.4 cm Correct...
A 9.00-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire and rail is 0.310 Ω . Pulling the wire at a steady speed of 4.00 m/s causes 4.30 W of power to be dissipated in the circuit. a. How big is the pulling force? Express your answer with the appropriate units. b. What is the strength of the magnetic field? Express your answer with the appropriate units.
What magnetic field strength will levitate the 2.0 g wire in the
figure(Figure 1)? Assume that I = 1.8 A and d = 12 cm.Express your answer to two significant figures and include the
appropriate units.B=What is the direction of the magnetic field?UpwardDownwardInto the screenOut of the screen
Q. A steel wire with mass 37.0 g and length 7.10 m is stretched tightly between its two endpoints. In its fundamental mode, the wire vibrates at a frequency of 59.0 Hz. When plucked, traveling waves bounce from one end to the other. a) What is the speed of waves propagating along the wire? b) Calculate the tension in the wire. c) A standing wave at the fundamental frequency has an amplitude of 0.340 cm . Calculate the magnitude of...
What magnetic field strength will levitate the 2.0 g wire in the figure(Figure 1)? Assume that I = 1.1 A and d= 11 cm. Express your answer to two significant figures and include the appropriate units.Part B What is the direction of the magnetic field? Upward Downward Into the screen Out of the screen