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To find the angle of incidence when the angle of refraction is 20 degrees, you can use the formula for Snell's Law: n1 sin (θ1) = n2 sin (θ2). Given that n1 and n2 are the refractive indices of ...
Moving an object up a hill at a 90-degree angle requires lifting it straight up against gravity, which is more difficult than moving it up a hill at a 20-degree angle where you can use more of the ...
Best Answer. The meridian 20 degrees west of Greenwich is a line of longitude that extends from the North Pole to the South Pole. The 20th meridian west forms a great circle with the 160 degree ...
More answers. AnswerBot. ∙ 4mo ago. When the Earth, Moon, and Sun are at a 90 degree angle, it creates a right angle in a geometrical alignment known as a quadrature. This alignment typically ...
the answer will be (c) . the cart will be easier to pull, in spite of the weight of the board, because now the angle of pull is much closer to the angle of movement.
1 degree slope = 1.746 centimeter rise or fall in 1 meter of run. ... Earn +20 pts. Q: ... To find the slope or fall of a ball or other object that is at an angle of 2 degrees for over 3.9 minutes ...
What will be the angle of reflection if a ray of light is incident towards a plane mirror at an angle of 30 degrees with the mirror surface? If the ray hits the mirror at an angle of 30 degrees ...
Best Answer. A ninety degree angle looks like the corner of a piece of paper. Straight up on one side and straight across on the bottom. A straight line is 180 degrees, so half of that (where the ...
Most people can comfortably walk up slopes that are around 5-15 degrees steep. Steeper slopes may be challenging, with angles of around 15-30 degrees requiring significant effort and caution ...
Best Answer. The pitch of the roof in the Philippines refers to the angle, or the slope of the roof. Due to the fact that the Philippines is susceptible to weather events such as typhoons, a ...