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Use Ampere's Law to find the magnetic field inside and outside a straight wire of radius Rcarrying current I uniformly distributed over it's circular cross-sectional area A. Create a general equation to express the magnetic field magnitude for all distances r from the wire's center. Put your answer in terms of r, R, I, and constants, and (optional) then again in terms of r, R, j, and constants, where j = I/A is the current density of the wire. Draw the Amperian loop and current distribution.
While moving down the track at 10.0 m/s, you uniformly accelerate to 32.0 m/s in 10 s. Illustrate what is the average net force that you have applied to the car during the 10 s interval?
A 23 kg boom of length 6 m is supported by a cable that has a breaking tension of 1200N. The cable is perpendicular to the boom and is attached 4.5m from the pivot. What is the utmost load that can be suspended from the end of the boom.
A large piece of cork weighs 0.295 N in air, he spring scale reads 0.903 N. Find the density of the cork
What is the minimum coefficient of friction between tires and road.
What minimum force is necessary to start the block moving up the wall? (Hint: The static frictional force is now directed down the wall.)
A projectile is launched at some speed at an angle of 74 degrees and travels a range of 262 meters. The launch angle is after that changed, but the projectile is fired at the same speed as the original case and also travels the same range of 272 m..
A 20.0- projectile is fired at an angle of 60.0 above horizontal with a speed of 80. At the highest point of its trajectory, projectile explodes into two fragments with equal mass, one of which falls vertically with zero initial speed. You can ign..
If the pendulum makes a maximum angle of 5.4? with the vertical, what is the length of the pendulum
A uniform magnetic field of 0.50 T is directed along the positive x axis. A proton moving with the speed of 60 km/s enters this field. The helical path followed by the proton shown has a pitch of 5.0 mm. find the angle between the magnetic field an..
What is the speed of the center of mass
You are given a four-wheeled cart of mass 19 kg, where the distance between a wheel and its nearest neighbors is 1.7 m. Find the weight on the nearer wheels of the cart under this load
An external force F, with a magnitude of 16.49 N, acts on a block of mass 1.40 kg parallel to a plane, Calculate the magnitude of the frictional force acting on the body
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