Soils, forests and minerals are among earth's "Natural Resources".
Snell's law: n1Sinα=n2Sin β where α=Incidence angle, β=angle of refraction, n1 and n2 are the indices of refraction for water and air respectively.
Therefore,
Sinα=n2/n1 Sinβ For refracted ray to be along the surface of water, β=90° and thus Sinβ = 1
Sinα=n2/n1= 1/1.33 = 0.7519 => α=sin^-1 (0.7519) = 48.75°
When light moves from a medium of higher index of refraction (such as water) to medium of lesser index of refraction (such as air), the refracted ray is bend such that α is bigger than β. This is internal refraction. At some value of α, β approaches 90°. This incidence angle is called critical incidence angle. Therefore, the current scenario is shows critical angle of incidence.
Answer:
Part a)
Part b)
Part c)
Part d)
Part e)
Explanation:
Part a)
initial vertical position = 1.02 m
maximum height = 1.80 m
time taken by it to reach this height
Now when it again touch the ground then its speed is given as
time taken by it to reach this height
Part b)
Horizontal velocity
Part c)
vertical velocity is the intial y direction velocity
Part d)
Take off angle is given as
Part e)
initial vertical position = 1.20 m
maximum height = 2.50 m
time taken by it to reach this height
Now when it again touch the ground then its speed is given as
time taken by it to reach this height
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Hallar el valor numerico de 24m2n3p
