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The index of refraction for red light in water is 1.331 and that for blue light is 1.340. If a ray of white light enters the water at an angle of incidence of 52.70°, what are the underwater angles of refraction for the blue and red components of the light?
(a) blue component
°
(b) red component
Find out the moment of inertia of the wheel. Initially the wheel rotates with an angular speed , causing the block to rise with a linear speed = 0.33 .
Consider a standing wave on the string with a frequency equal to the fifth harmonic (fn = nf1 with n = 5). How many nodes and antinodes does this standing wave possess.
A garden plot must have a central planting area of length 13 m and width 8 m. There is to be a sidewalk around its edge of width w. If the total area, planting area plus sidewalk area, is 150 m^2, what is the sidewalk width w in meters.
A convex mirror has a focal length of -39.0 cm. A 12.0 cm tall object is located 41.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the size of the image
A bullet of mass 4.00g is fired horizontally into a wooden block of mass 1.26kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.240. What was the initial speed of the bullet
In general, for a concave mirror with a focal length +f, how far should an object be placed from the mirror to form a real image which is neither enlarged nor reduced(enter your answer as a multiple of f)?
Calculate the size of the average force. plan the force vectors with their tails at the left sphere
An athlete performing a long jump leaves the ground at a 34.4? angle and lands 7.65m away, What was the takeoff speed
How much work does the electric field do in moving a -7.7 microCoulomb charge from ground to a point whose potential is +positive 55V higher.
A ball of mass 0.240 grams and positive charge, q =39.3 microC, is suspended on a string of negligible mass in a uniform electric field. We observe that ball hangs at an angle of theta =15.0 o from the vertical. What is the magnitude of electric f..
If the initial temperature of the horseshoe is 450 °C, and the initial temperature of the water is 45° C, what is the equilibrium temperature of the system? Presume no heat is exchanged with the surroundings.
A golf club 1.01 m long completes a downswing in .25 s through a range of 180 degrees. What is the tangential acceleration of the end of the club?
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