Recent content by stickyriceyum

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    Find the speed of light in silica

    I got it =D Thank you!
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    Find the speed of light in silica

    Homework Statement Light of wavelength 559nm in vacuum passes through a piece of silica (index of refraction 1.437). Find the speed of light in silica. Answer in units of m/sHomework Equations Index of Refraction = Speed of Light in Vacuum/Speed of Light in Substance [n = c/v]The Attempt at a...
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    2D Projectile Motion - Minimum Speed

    Homework Statement Salmon often jum waterfalls to reach their breeding grounds. The acceleration of gravity is 9.81 m/s^2 Starting 1.73 m from a waterfall .0386 m in height, at what minimum speed must a salmon jumping at an angle of 44.3 degrees leave the water to continue upstream? Answer...
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    Direction of Displacement Vector [2D Kinematics]

    Homework Statement Question 1 [Correctly Solved] A pedestrian moves 2.1km east and then 20km north. Find the magnitude of the resultant displacement vector. Answer in units of km. Answer = 20.1km Question 2 What is the direction of the displacement vector (using the counter-clockwise...