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Using the charge of an electron (determined by Millikan in another experiment to be 1.60x10^-19C) and the charge to mass ratio of the electron (determined by Thomson to be 1.76x10^11 C/kg), calculate the mass of an electron
A portable electric heater uses 22 A of current. The manufacturer recommends that an extension cord attached to the heater, What is the smallest radius of copper wire that can be used in the extension cord
A converging-diverging nozzle is supplied with air at a total pressure of 250 psi. The area of the throat is 0.1 in2. The exit area is 1.6 in2.
question1a guitar string is 90 long and has the mass of 3.4. the distance from a bridge to the support post is and
Light with a frequency of 2.95 x 1015 Hz ejects electrons from the surface of calcium, which has a work function of 2.87 eV. What is the minimum de Broglie wavelength of the ejected electrons?
(a) Determine the velocity of the 0.300-kg puck after the collision. (b) Find the fraction of kinetic energy lost in the collision.
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle
Let F = 7.9 mN (Note units) and G = 18 deg. Type the unit, mg (Note units), after typing your numerical answer. 6b. Two spheres each of mass m are suspended by light cords and then given electrostatic charges of like sign. Calculate the value of m..
A fellow student of mathematical bent tells you that the wave function of a traveling wave on a thin rope isy(x,t)= 2.10mm cos[( 6.96rad/m )x+( 744rad/s )t]. Determine the average power transmitted by the wave
riders on the amusement ride rotor are pressed against the wall of a certical cylinder of radius 3 m while rotating 10
one recent study has shown that x rays with a wavelength of 0.0050 can produce significant numbers of mutations in
Calculate the maximum resultant stress in the beam and plot the stress distribution diagram for this section
A typical wall outlet voltage is 120 volts in the United States. Personal MP3 players require much smaller voltages, calculate the number of turns on the secondary coil of the adapter transformer
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