Determine the magnetic force on a given lemgth of wire
The wire carries a current 10 A in a direction which makes an angle 30 deg. with the direction of a magnetic field of strength 0.3 T. Determine the magnetic force on a 5m length of the wire.
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The two spherical ball are positioned so their centers are 3.58 m apart. The force among them is 2.73 x 10^-8 N. When the mass of the smaller ball is around 57.2 kg, determine the mass of the other ball?
A merry-go-round rotates from rest with the angular acceleration of 1.60 rad/s2. Determine how long it takes to rotate through the first 2.5 rotations.
The wires are 0.1 m apart and the sum of the magnetic force and gravitational force on the upper wire is zero. Determine the magnitude of the current in the wires. (Avoid the magnetic field of Earth)
When first seen to east if the observer, angle of elevation to airplane is 60.3 degrees. After 71 seconds, angle of elevation is 46.6 degrees. Determine speed of an airplane.
Front wall is 11.5 feet tall and back wall is 18.6 feet tall. Determine length of roof line and depth of shed from front to back.
The combination of an exerted force and a friction force generates a constant net torque of 36.1 N • m on a wheel rotating around a fixed axis. The exerted force acts for 6.20 s. Throughout this time, the angular speed of the wheel rises from
If the string is pulled in the right direction on a window shade, a lever is released and the shaft that the window shade is wound around spins. When the angular acceleration of a 4.1 cm wide shaft is 4.2 rad/s2, at what rate does the shade accele
The cost in million of dollars for city to clean p% of impurities from its water supply is provided by C= 325/100-p, where p is greater than zero and less than 100, determine cost of cleaning 90% of impurities from water supply.
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