AIEEE Exam

The angle of repose for sand is typically about 35°. What is the sine of this angle?

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AIEEE Other Question

he angle of repose is the steepest angle at which dry, unconsolidated sediment is stable. You create a conical pile of sand that is as steep as you can make it. The pile is 11 cm high and has a radius of 16 cm. What is the angle of repose of this sand? When driving, a steep hill is typically only 12°. What is the cosine of this angle?