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A box is placed on a ramp which is flat on the ground. One end of the ramp is raised until the box starts to slide. If the coefficient of static friction between the box and the ramp is 0.5161, what is the angle of the ramp relative to the ground?

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A box is placed on a ramp which is flat on the ground. One end of the ramp is raised until the box starts to slide. If the coefficient of static friction between the box and the ramp is 0.6976, what is the angle of the ramp relative to the ground?

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A box is placed on a ramp which is flat on the ground. One end of the ramp is raised until the box starts to slide. If the coefficient of static friction between the box and the ramp is 0.3384, what is the angle of the ramp relative to the ground?

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A box is placed on a ramp which is flat on the ground. One end of the ramp is raised until the box starts to slide. If the coefficient of static friction between the box and the ramp is 0.2604, what is the angle of the ramp relative to the ground?

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A box is placed on a ramp which is flat on the ground. One end of the ramp is raised until the box starts to slide. If the coefficient of static friction between the box and the ramp is 0.1245, what is the angle of the ramp relative to the ground?

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A box is placed on a ramp which is flat on the ground. One end of the ramp is raised until the box starts to slide. If the coefficient of static friction between the box and the ramp is 0.8847, what is the angle of the ramp relative to the ground?

^o