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The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c
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If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant
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If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c...
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