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Express a formula for the magnetic field at an arbitrary point on the z-axis. Note by symmetry that B(x) = Bz(z) k.
Blood takes around 1.0 s to pass via a 1:0 mm-long capillary. The diameter of the capillary is 7.0 μm and the pressure fall through the capillary is 2.60 kPa. Find out the viscosity of blood in m
A 25 cm long horizontal tube with the interior diameter of 1.2 mm consists of water flowing through it at 0.30 mL/s. Take the viscosity of water to be 1.00 mPa * s. Find out the pressure difference
Two similar coaxial coils of wire of radius 32.1 cm are directly on top of one other, separated by a 3.07 mm gap. The lower coil is on the flat table and consists of a current i in the clockwise dir
The juggler performs in a room having ceiling 1.95 m above hand level. Determine the maximum upward speed (in m/s) which she can provide a ball devoid of letting it hit the ceiling?
The magnetic field at distance 3R from the center of the wire is around 0.77 T. Find out the magnetic field at distance R/2 from the center of wire.
The circular wire of radius 5.19 cm consists of a current of 3.81 A flowing in it. The wire is situated in a uniform magnetic field of 5.27 mT. What is the range of the magnetic potential energy of th
Assume that the Helmholtz coil includes of two sets of coaxial wire loops with 15.0 turns of radius R = 79.1 cm, which are separated by R, and each and every coil carries a current of 0.131 A flowin
Two similar particles move beneath the influence of a central force, for which the potential energy function is: What is the ratio of the speeds
The ring consists of zero radial velocity at its initial position, a distance of r0 = 0.295 m from the fixed end. Find out the radial velocity of the ring as it reaches the moving end of the rod.
The coefficient of kinetic friction among the block and the ramp is 0.7. Employ energy conservation to find out the distance all along the incline which the block slides prior coming to rest.
When a 120 lb. soil is situated in the wheel-barrow with its center of gravity 1.5 ft. from the axle, what force is needed to mount the legs of the wheel-barrow?
When the height gain of each step was 0.20 m, and the man's mass was 57.0 kg, determine his average power output throughout the climb? Give your answer in both watts and horse-power.
The spherical shell of radius R1 carries a uniform surface charge density s1 > 0. The second, larger spherical shell of radius R2 which is concentric with the first carries the uniform surface c
After that, capacitor A is joined to an uncharged capacitor B with a capacitance Capacitor B = 25uF. Find out the final charge on capacitor B?
A hot-air balloon of 4.50 x 102 kg takes off from rest at the surface of earth. The non-conservative wind and lift forces take the balloon up, doing +9.70 x 104J of work on the balloon in the process.
The lens for a 35 mm camera consists of a focal length given by f = 55 mm. How close to the film must the lens be situated to form a sharp image of an object which is 5 m away?
Your mass is m = 59 kg. Avoid frictional forces among the raft and the water. Determine how far from the end of the pier is the center of mass of the you-raft system?
The friend of diver is standing on the shore of the lake. Determine at what angle above the horizon does the friend view the sun?
The person 1.7 m tall stands .66m from the reflecting globe in a garden. When the diameter of the globe is 18 cm, where is the image of the person relative to the surface of globe?
The object having height of 46 cm is located 2.4 m in front of a concave mirror with the focal length of .5 m. Find out the magnification of the image generated by the mirror.
Determine the minimum height the mirror should have for you to be capable to see the top of the table in the mirror?
The two mirror's reflecting surface form a vertex with an angle of 120 degrees. When a ray of light strikes mirror 1 with the angle of incidence of 55 degrees, then determine the angle of reflection
A log of 247 kg is pulled up a ramp by means of a rope which is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to horizontal.
(a) Compute the electric potential difference among the origin and that point. (b) Which point is at the maximum potential?