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A person rides on a 12-m-diameter Ferris wheel that rotates at the constant rate of 6.6 rpm. Calculate the magnitude and direction of the force that the seat exerts on a 54-kg person when he is at e
In this orientation, the magnetic moment of the rotor is directed opposite the magnetic field. The rotor then turns through one-half revolution. This process is repeated to cause the rotor to turn s
An electron enters a magnetic field of 0.64 T with a velocity perpendicular to the direction of the field. What is the value f ×10-10, where f is the frequency (in Hz) at which the electron tra
What is the precision you need to observe the natural line shape and the Doppler line shape of the transition? Please submit computer plots as well.
A rod 14.0 cm long is uniformly charged and has a total charge of 22.0 C. Determine (a) the magnitude and (b) the direction of the electric field along the axis of the rod at a point 36.0 cm from it
Plot a Lorentzian emission line centered at 10 GHz having a half width at half maximum corresponding to 225 MHz which is approximately the Doppler broadening at room temperature of rubidium transiti
A 0.145-kg baseball pitched at 37.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 50.5 m/s . If the contact time between bat and ball is 3.20×10?3 , calculate the a
What is the maximum speed achieved by the cyclist and what total distance does he travel between 0 and 6.0s?
Two particles move along an x axis. The position of particle 1 is given by x = 5.60t2 + 3.00t + 2.00 (in meters and seconds); the acceleration of particle 2 is given by a = -8.00t (in meters per seco
A 25 kg box is acted on by a 45 N horizontal force. If the box accelerates at a rate of .75 m/s2, what is the coefficient of kinetic friction between the box and the table?
The monitoring reveals that the thermal energy of the cube increases by 20 J. What is the increase in the thermal energy of the floor along which the cube slides?
(a) As the box is dragged through 1.00 m along the way, what is the work done by the collie's applied force and what is the increase in the thermal energy of the bed and floor?
Starting with the density of iron and the result of part (a), compute the molar density of iron (the number of moles of iron per cubic meter).
The heating coil of a hot-water heater has a resistance of 20 and operates at 210 V. If electrical energy costs $0.080/kWh, what does it cost to raise 240 kg of water in the tank from 15°C to 89
Write the function that describes this wave traveling in the positive x direction. (Use the following as necessary: x and t. x is in meters and t is in seconds.)
An emf is induced in a conducting loop of wire 1.00 m long as its shape is changed from square to circular. Find the average magnitude of the induced emf if the change in shape occurs in 4.40 s and
A heater coil connected to a 240 V ac line has a resistance of 58 . (a) What is the average power used?
How many revolutions per minute is the sample making, if it is located at a radius of 6.45 cm from the axis of rotation?
A spectrum is formed on a screen 30cm from the grating. If a 10mm square hole is cut in the screen, its inner edge being 50mm from the central maximum, what range of wavelengths passes through the h
A small immersion heater can be used in a car to heat a cup of water for coffee or tea. Assume the manufacturer's claim of 60% efficiency. If the heater can heat 140 mL of water from 5°C to 95&
When the lines from a bar magnet are viewed from the end, they appear radially symmetrical. If a loop of wire carrying a current is introduced to the field what direction does it feel the force?
What is the angle of the string with the vertical when the bob reaches its greatest height?
Solid mensuration, An isosceles trapezoid has an area of 40meter sq. And an altitude of 2m its 2 bases have ratio of 2:3 what are the lengths of the bases and one diagonal of the trapezoid
A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 5.0 m/s at the end of 2.0 s. At that instant, the kinetic energy of the system is 100 J and e
Water flows over Victoria Falls, which is 128 m high, at an average rate of 1.80 x 106 kg/s. If one third the potential energy of this water were converted to electric energy, how much power would be