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A temperature controller, designed to work in a steam environment,involves a bimetaillic strip constructed of brass and steel,connected at their ends by rivets. Each of the metals is 2.0mm thick. At 20 degrees Celsius, the strip is 10.0 cm longand straight. Find the radius of curvature of the assembly at100 degrees Celsius.
Two small spheres hang in equilibrium at the bottom ends of threads, 40.0 cm long, that have their top ends tied to the same fixed point. Find the distance between the centers of the spheres
A fox fleeing from a hunter encounters a 0.795 m tall fence and attempts to jump it. By how much does the fox clear the fence
An electric field given by = 6.0· - 3.9(y2 + 3.5)· pierces a Gaussian cube of edge length 3.2 m and positioned as shown in Fig. 23-56. (The magnitude is in newtons per coulomb and the position x is in meters.) What net charge (in Coulombs) is enclose..
A large sponge has forces of magnitude 12 N applied in oppositedirections to two opposite faces of area 42 cm^2. What is theshear modulus of the sponge
Two children fighting over a toy pull on the toy in different directions. One child pulls to the north with a force of and the other child pulls to the east with a force of What is the magnitude of net force on the toy.
a 0.90 kg book rests on a table. A downward force of 3.5 N is exerted on the top of the book by a hand pushing down on the book. What is the gravitational force acting on the book
Consider the driven, damped harmonic oscillaror discussed. (a) Calculate the power dissipated by the damping force. (b) Calculate the average power loss, using the fact that the average of sin2( ?t+?) over a cycle is one-half.
An engineer in a locomotive sees a car stuck on the track at a railroad crossing in front of the train. When the engineer first sees the car, the locomotive is 130 m from the crossing and its speed is 17 m/s.
You want to produce a magnetic field of magnitude 5.50×10?4 T at a distance of 4.00×10?2 m from a long, straight wire. What current is required to produce this field
A load of bricks with mass = 15.4 kg hangs from one end of a rope that passes over a small, frictionless pulley. What is the tension in the rope while the load is moving
An 83 kg fullback moving east with a speed of 5.4 m/s is tackled by a 96 kg opponent running west at 3.8 m/s, find the velocity of the players immediately after the tackle
How much work must be done on the electron to move it to negative plate if it is initially positioned 2.86 mm from the positive plate.
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