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The refractive indices of materials A and B have a ratio of nA/nB = 1.71. The speed of light in material A is 1.36 x 108 m/s. What is the speed of light in material B?
Outline what you know about the electronic structure of graphene and outline two methods to make carbon nanotubes
A parallel-plate air capacitor has a capacitance of 940 pF. The charge on each plate is 2.10 µC. How much work is required to double the separation
A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, What is the work done by the field on the electron
A 2.10-cm-high object is situated 16.9 cm in front of a concave mirror that has a radius of curvature of 9.91 cm. compute the location and the height of the image
assume that a scale is in an elevator on earth. what force would the scale exert on a 57.6kg person on it if the
A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 3.00 m/s, What is her highest point above the board
Suppose that 0.10mol of argon gas is admitted to an evacuated 50cm3 container at 20° C. The gas then undergoes isobaric heating to the temperature of 300°C. What is the final pressure of gas? What is the final volume.
A narrow tube open at one end has varibale length. When a vibrating tuning fork is held near one end, What is a possible frequency of the tuning fork
A drum major twirls a 94 cm-long, 430g baton about its center of mass at 150 rpm. What is the baton's rotational kinetic energy
A person sees a distant lightning strike, then 4.5 seconds later he hears the thunder clap. If it is 35 degrees Celsius, how far away was the lightning strike
When ultraviolet light with a wavelength of 250 nm is incident on a particular metal surface, What is the threshold frequency for this particular metal
A 100kg hollow sphere is neutrally buoyant and completely underwater. Its volume is 0.5 cubic meter. what fraction of this volume is helium
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