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A solenoid has 137 turns of wire uniformly wrapped around anair-filled core, which has a diameter of 6 mm and a length of 8.5cm. The permeability of free space is 1.25664 × 10−6N/A^2 . Calculate the self-inductance of the solenoid. Answer inunits of H.
The core is replaced with a soft iron rod that has the samedimensions, but a magnetic permeability of 800 μ0. What is thenew inductance? Answer in units of H.
A car travels along a road at an average speed of 40km/h andreturns along the same road at an average speed of 60km/h. Calculate the average speed for the round trip
A cubical box of widths Lx = Ly = Lz = L = 4.82 nm contains eight electrons. What is the energy of the ground state of this system? Assume that the electrons do not interact with one another, and do not neglect spin.
A centripetal force of 205 N acts on a 1,350-kg satellite moving with a speed of 4,900 m/s in a circular orbit around a planet. What is the radius of its orbit
A small turtle moves at a speed of 186 furlongs per fortnight. Find the speed of the turtle in centimeters per second. Note that 1 furlong=220 yards and 1 fortnight=14 days
A gun is fired vertically into a 1.40 kg block of wood at rest directly above it. how high will the block rise into the air after the bullet becomes embedded in it
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At a distance of 401 m, estimate the linear speed of the dragster
A trunk with a weight of 230 N rests on the floor. The coefficient of static friction between the trunk and the floor is 0.32, what would be the acceleration of the trunk
A wheel of radius 0.390 m starts from rest and accelerates uniformly to an angular speed of 17.0 rad/s in 4.00 s. Calculate the angular displacement of the wheel
the triceps muscle in the back of the upper arm extends the forearm. this muscle in a professional boxer exerts a force
The drawing shows an edge-on view of the solar panels on a communications satellite. The dashed line specifies the normal to the panels. Sunlight stikes the panels at an angle θ with respect to the normal. If the solar power impinging on the panels i..
A cart with mass 310 g moving on a frictionless linear air track at an initial speed of 1.0 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. What is the speed of the two-cart center of mass
After inverting the tube 100 times, the temperature of the lead shot is found to have increased by 30C
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