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A thin film of oil is placed on a piece of glass. The oil has an index of refraction of 1.29 and the glass has an index of refraction of 1.56. If the film produces a first-order maximum of light of wavelength 55 nm normally incident on it, how thick is the film?
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.69 km. What is the distance they travel
Two narrow slits 0.286 mm apart are illuminated by light of wavelength 542. nm. The light falls on a screen 1.60 m away from the slits. What is the angular seperation between adjacent maxima
A little cat, Bella, walks in a straight line, which we shall call the x axis, with positive direction to the right. As an observant scientist, you make measurements of her motion and construct a graph of the little feline's velocity as a function..
A typical digital cell phone emits radio waves with a frequency of 1.9 GHz. how many photons are emitted each second
You cool a 130.0g slug of red-hot iron (temperature 745 ?C) by dropping it into an insulated cup of negligible mass containing 70.0g of water at 20.0 ?C. What is the final mass of the iron and the remaining water
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 29.5°, find the critical angle for the liquid when surrounded by air
The track for a racing event was designed so that riders jump off the slope at 30 angle, from a height of 5 ft. Determine the maximum height he attains
W hat least energy an incident alpha particle must have to penetrate the gold nucleus. What is the direction of the carbon atom after the collision.
A wheel starts from rest and rotates about its axis with constant angular acceleration. What is the angular velocity when the time t = 6.7 s
A 5.05-kg ball of clay is thrown downward from a height of 2.77 m with a speed of 4.61 m/s onto a spring with k = 1730 N/m. Find the total work done on the clay during the spring's compression
A production line inspector wants a mirror that produces an upright image within magnification of 7.4 when it is located 15 mm from a machine part.
Three 100 ? resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 21.5 W. find the total power delivered to the combination of resistors
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