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The index of refraction for red light in water is 1.331, and thatfor blue light is 1.340. If a ray of white light enters the waterat an angle of incidence of 88.20°, what are the under water angles of refraction for the blue and red components of the light?
A sample of 10.0 mCi decays 1.2% in a single day. What is the activity after 30 days?
a car passes a stationary cop at 35 m/s. at that instant, he presses his brakes, slowing at a rate of 1.5 m/s2. The cop takes 2 sec. to put down his gear to pursue, How far did the cop travel to catch up
A camera is focused on a group of people 3 m from the lens, wjocj jas a focal lenght of 50 mm = 0.05 m. What is the lens-to-film distance
you are making pesto for your pasta and have a cylindricalmeasuring cup 10.0cm high made of ordinary glass szlig2.7
The free-fall acceleration on the surface of Mars is about three eighths that on the surface of the Earth. Find the ratio of their average densities, ?Mars/?Earth
Amazingly, at exact distance that you calculated in question 2a (73.5 meters), there was a trampoline! Thinking quickly, I orient myself appropriately and hit the trampoline.
A movie camera with a (single) lens of focal length 90 mm takes a picture of a person standing 21 m away. If the person is 180 cm tall, what is the height of the image in millimeters
Two boxes, m1 = 1.0 kg with a coefficient of kinetic friction of 0.10, and m2 = 2.0kg with a coefficient of 0.20, are placed on a plane inclined at 0 = 30o.
Two trees have perfectly straight trunks and are both growingperpendicular to the flat horizontal ground beneath them. What is the magnitude of the squirrrel's displacement
A triply ionized beryllium ion, Be^3+ (a beryllium atom with three electrons removed), behaves very much like a hydrogen atom, What is the ground-level energy of the beryllium
A circular curve of highway is designed for traffic moving at 75 km/h. If the radius of the curve is 155 m, what is the correct angle of banking of the road
A bat moving at 2.3 m/s is chasing a flying insect. The bat emits a 51 kHz chirp and receives back an echo at 51.33 kHz, At what speed is the bat gaining on its prey
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