kimming lai right-na ne lake, A saliboat is OSs a lad ke witrn a constant aCceler lon. ituation, we are using a systeri wi re the X2 plane is in plane positive y direction is vertically upward. All angles below are measured in the xz plane, counterclockwise from the positive x direction when view from above the lake (that is, from a point on the positive y axis). (Use a standard rectangular coordinate system where +x is to the right, +y is vertically upward, and +z is toward you. ) The sailboat's acceleration is 0.583 m/s2 at an angle of 210° for a 4.00 s time interval. At the start of this interval (noted as t = 0), it is moving with a velocity of 1.77 m/s at 30.0° and is at the position 29.7 m at 160°. Determine the following (in vector notation) for the sailboat at t = 4.00 s. (Express your answer in vector form.) (a) the position vector r(t = 4 s) (b) the velocity vector v(t = 4 s) = m/s (c) the acceleration vector a(t = 4 s) = m/s?
Refraction of Light
Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.
Angle of Refraction
Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.
Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.


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