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The angle of incidence at a solid/liquid boundary is 65.3°, andthe index of refraction of the solid is n = 1.71.(a) What must be the index of refraction of theliquid such that the direction of the light entering the liquid isnot changed? (b) What is the largest index ofrefraction that the liquid can have, such that none of the light is transmitted into the liquid and all of it is reflected back in to the solid?
A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
Two 24 cm focal-length converging lenses are placed 16.50 cm apart. An object is placed 39.0 cm in front of one. Where would the final image formed by the second lens be located.
In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, the note at 1.10 102 Hz has two strings at this frequency. If one string slips from its normal tension of 5.90 102 N to 5..
A hydrogen atom initially in the ground state absorbs a photon, which excites it to the = 4.00 state, estimate the frequency of the photon
A window washer is climbing up a ladder to wash a window. The end of the 10.5 foot ladder exactly touches the windowsill, How far off the ground is the windowsill
When a 0.20-kg block is suspended from a vertically hanging spring, it stretches the spring from its unstrained 0.005 m. find the total mechanical energy of the system at any instant
The electric potential in a region is V=-Vo(r/R), Find expressions for the magnitude and direction of the electric field in this region
On a cello, the string with the largest linear density (1.56 *10-2 kg/m) is the C string. What is the wavelength of the wave on the string
An alpha particle (the nucleus of a helium atom formed by 2 protons and 2 neutrons with charge q = +2(1.6 x 10-19 C), Calculate the acceleration of the alpha particle
A 144-g baseball mobing 28.0 m/s strikes a stationary 5.25 kg brick resting on small rollers so it moves without significant friction. What is the baseball's speed after the collision
A football player weighing 75 kg running at 2 m/s toward west tackles a 70 kg player running at 1.5 m/s in the opposite direction
During 8.09 seconds a motorcyclist changes his velocity from v1,x = -35.1 m/s and v1,y = 13.7 m/s to v2,x =-24.7 m/s and v2,y = 26.5 m/s
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