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A 7.70 centimeter length of straight wire runs horizontally along a north-south line. The wire carries a 3.50 Amp current flowing northward through a uniform 1.15 T magnetic field directed vertically upward.
Part A Obtain the magnitude of the magnetic force on wire.
Part B Obtain the direction of the magnetic force on wire.
Race tracks use walls which will compress when a car hits them at a high rate of speed. Find the spring constant of the wall
zach whose mass is 70 is in an elevator descending at 11 . the elevator takes 3.0 to brake to a stop at the first
if 590 nm light falls on a slit 4.40times10?2 mm wide what is the full angular width of the central diffraction
A particle ( m = 1 kg ) moves on the x axis. The initial position isx= 0 and the initial velocity isv(0) = 5m/s. Determine the final velocity of the particle
A 5.0-g piece of copper is to be formed into a wire of radius 1.5 mm at a temperature of 40°C. What is the resistance of this wire
A molecule of water vapor causes an electricfield in the surrounding space as if it were an electricdipole. Derive an expression for the electric field due to an electric dipole at a point P at a distance z from thecenter of the dipole
A 71.9-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a)accelerating upward with an acceleration of 1.92 m/s2,(b) moving upward at a constant speed, and(c) accelerating downward with an acceleration of..
Use the worked example above to help you solve this problem. Figure a shows a simple apparatus for demonstrating resonance in a tube. Find the wavelength and the next two air-column lengths giving resonance
A 25 ohm resistor at steady state draws a current of 10 amperes. Its temperature is 310 K; the temperature of the surroundings is 300 K.. what is the total rate of entropy generation?
George Washington stands on the shore of the Delaware River. He sees the river flowing past him at a speed of 1.50 m/s, and a boat with soldiers moving straight across at right angle to the shore. The speed of the boat with respect to the water is..
In an emergency stop to avoid an accident, a shoulder strap seatbelt holds a 60 kilogram passenger in place. find the average force applied to the passenger by the seat belt
A motor develops 0.75 kW of power at 2000 revs per 10 min. What torque is applied to the motor shaft
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