During a daytime football game you notice that a players
During a daytime football game you notice that a player's reflective helmet forms an image of the Sun 4.6cm behind the surface of the helmet.
What is the radius of curvature of the helmet, assuming it to be roughly spherical?
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during a daytime football game you notice that a players reflective helmet forms an image of the sun 46cm behind the
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a projectile is fired with an initial muzzle speed 440 ms at an angle 45 from a position 6 meters above the ground
light travels a distance of 0945m in 450ns in a given substancewhat is the index of refraction of this
a roller coaster reaches the top of the steepest hill with a speed of 60 kmh it then descends the hill which is at an
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