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Which of the scenarios if more difficult for light to leave a diamond? When it is place underwater, or when it is in air? Utilize n=2.42 for index of refraction for a diamond, n=1.33 for water, and n=1.00 for air.
The ball is in equilibrium, with the thread making an angle of 30.0o with respect to the vertical. The area of each plate is 0.01381 m2. What is the magnitude of the charge on each plate?
A block of mass m starts from rest at the top of a ramp of vertical height h . The block slides down frictionless ramp and reaches a speed v at the bottom . if the same bock were to reach a speed 3v at the bottom , it would need to slide down a fr..
Tension is maintained in a string. The observed wave speed is v=22.0 m/s when the suspended mass is m=3.00 kg. What is the mass per unit length of the string
A swift blow with the hand can break a pine board. As the hand hits the board, the kinetic energy of the hand is transformed into elastic potential energy of the bending board, what is the average force on the hand
A steep cliff west of Lydia's home reflects a 1460-kHz radio signal from a station that is 69.9 km due east of her home. what is the minimum distance of the cliff from her home
what is the final position of the man. What is the magnitude of the electric field (in N/C) at the point (-2.0 m, 3.0 m).
A house has a floor area of 120 m2 and an outside wall that has an area of 31 m2. The earth's magnetic field here has a horizontal component of 2.60 10-5 T that points due north and a vertical component of 5.00 10-5 T that points straight down, to..
Two wave sources, separatedby 6.00 cm, produce waves - in phase - described by y = 4sin(50πx - 120πt)m. (Assume that these are ripples on thesurface of a pond.) What will be the resultant disturbance (maximum? minimum? something in between?) at a ..
Explain the characteristics of supersonic motion and the formation of shock waves. Explain the formation of beats by the superposition of sounds of two closely spaced frequencies
A narrow beam of 400-keV photons is incident normally on a 2 mm iron liner. What fraction of the photons has an interaction in the liner? What thickness of Fe is needed to reduce the fraction of photons that are transmitted without interaction to 10%..
A neutron moved through a 1 T field with a speed of 185849 m/s. The velocity of the neutron is perpendicular to the field. Calculate the magnetic force on the neutron
A cylinder of gas is at room temperature ( 20oC ). The air conditioner breaks down, and the temperature rises to 52oC. What is the new pressure of the gas relative to its initial pressure
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