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The pickup coil in an electric guitar contains 10,000 turnsand has a diameter of 2.1 mm. When thepickup coil is very close to a guitar string, there is a field ofmagnitude B = 0.09 T in thecoil. If this steel string is vibrating at a frequency of245 Hz, what is the approximatemaximum emf induced in the coil? For simplicity, assume the inducedflux varies back and forth between zero and the value found whenB in the coil is at its maximum value (found when thestring is very close to touching the coil).
a 9.00 g bullet moving horizontally with an initial speed v embeds itself in a 1.20 kg pendulum bob that is initially
A satellite consists of a sphere of mass 1.00 x 10^3 with two spherical "ears" on retractable booms. The ears each have a mass of 50.0 kg. what will be the angular speed
Two blocks m1 = 9.8 kg and m2 = 4.0 kg are connected by a homogeneous rope that has a mass of mr = 1.32 kg. What is the magnitude of the tension in the rope
A steel rod of mass m and length L has the linear expansion coefficient X. It is standing vertically and supports a box of mass M on its top. what is the work done by the rod
If you stand on a bathroom scale, the spring inside the scale compresses .50mm telling you your weight is 700N. if you jump on the scale from 1.0m up, what will be the peak reading of the scale?
An electron on from the sun enters the earth's magnetic field high above its surface and undergoes a cicular motion. Calculate the raduis of the circle
Suppose the force on an object is (5i-8j) N over a displacement of (5i+2j) meters. How much work is done by that force
A 5-kg rock is dropped off a 30-m high building. If the rock is dropped from rest, what is the average power supplied by gravity
A red car and a green car, identical except for the color, move toward each other in adjacent lanes and parallel to an x axis. What is the initial velocity of the green car
A 2.1*10^3-kg car starts from rest atthe top of a5.0-m-long driveway that is sloped at 20 degrees with thehorizontal. find the speed of the car at the bottom of the drive way
A 1.00-kg beaker containing 1.80 kg of oil (density = 916 kg/m3) rests on a scale. A 1.90-kg block of iron is suspended from a spring scale and is completely submerged in the oil. Determine equilibrium readings of both scales.
q1. the longest string a thick metal wire on a particular piano is 3.0 m long and has a tension of 300.0 n. it vibrates
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