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AnswerBot. ∙. 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 ...
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.
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 ...
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 ...
1 degree slope = 1.746 centimeter rise or fall in 1 meter of run. A 1-degree slope over 1 meter results in a vertical drop of approximately 0.017 meters, which is about 1.7 centimeters. Twenty ...
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. 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 ...
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 ...
The key is to recognize that "the angle of INCIDENCE is equal to the angle of REFLECTION", for an 'Elastic' collision. So the answer is 20 degrees. So the answer is 20 degrees. Wiki User
Direct Conversion Formula 1 mm* 1 in 25.4 mm = 0.03937007874 in. A mm is a measure of linear distance whereas a degree is a measure of angular distance. The two measure different things and there ...