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Problem: As an airplane taxies on the runway with a speed of 15.0 m/s, a flight attendant walks toward the tail of the plane with a speed of 1.42 m/s.
Part A: What is the flight attendant's speed relative to the ground?
I need help to find the flight attendant's speed relative to the ground.
a sloenoid 3.0 cm long consists of 8013 loops of wire if the magnetic field inside the solenoid is 3.0 T, what is the magnitude of the current that flows through it
Suppose that the dipole moment associated with an iron atom of an iron bar is 2.4 x 10-23 J/T. Assume that all the atoms in the bar, which is 6.5 cm long and has a cross-sectional area of 1.1 cm2, have their dipole moments aligned. (a) What is the di..
The air inside a room is at a temperature of 35C and has a mixing ratio of 7.6 g/kg: Answers are in (S.I. UNITIS) What is the relative humidity? What is the dew point? If the room temperature decreases with 5Cper hour, how many hours will it take for..
How much sound power will strike the eardrum of an airport worker 15.3 m from the aircraft? (Use 1.9 10-2 m as the diameter of the ear.)
Water is circulating during a set of pipes in a closed heating system (think radiators) for a two floor house. On the first floor, the measure pressure of the water is 3.4 x 105 Pa and its speed is 2.1 m/s.
An object is solid throughtout. When the object is completely submerged in ethyl alcohol, its appart weight is 15.2 N. When completely submerged in water, its apparent weight is 13.7 N. What is the volume of the object?
Calculate the pressure at the center of pipe A. Suppose T = 10?C.
A biker is riding on a level, horizontal road. The coeffients of friction between her tires and the road are µs = 0.76 (static friction) and µk = 0.41 (kinetic friction). The total mass of the bike and biker is 76.5 kg. She is seated so that the n..
a cruise ship leaving port, travels 50.0 km45 degrees north of west and then 70.0 km at a h3eading 30 degreesnorth of east. Find the ship's displacement vector
In the experiment you will observe well defined "bumps" in the string, and you will measure their length. What is the relation between this length and the wavelength of the wave
A solid conducting sphere 60 mm in radius carries a charge of 5.3nC. A thick conducting spherical shell of outer radius 120 mm and inner radius 100 mm carries a charge of -4.0 nC and is concentric with the sphere. Compute the surface charge density o..
an ice puck of mass m revolves on an icy surface in a circle at speed v at the end of a horizontal string of length L. write the equation for centripital force
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