Answer all parts for 100% feedback !!! %) Problem S: A student stands do-2.9 m i

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Answer all parts for 100% feedback !!!

%) Problem S: A student stands do-2.9 m in front of a floor-to-ceiling mirror. Her eyes are he-1.46 m above the floor and she holds a flashlight at a distance he-0.75 m above the floor Randomized Variables d.-2.9 m he 1.46 m he 0.75 m Calculate the angle ?. in degrees. that the flashlight makes with respect to the floor if the light is reflected into her eves Grade Summary Deductions Potential 0% 100% cosO cotan asin acosO atan acotan sinh0 cosh) tanh cotanh0 sin0 Submissions Attempts remaining: 5 (5% per attempt) detailed view Degrees Radians NO DELI CLEAR Submit Hint I give up! Hints: . % deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback.

Explanation / Answer

Given,

do = OB = 2.9 m

he = 1.46 m

hf = 0.75 m

AB = (1.46-0.75)/2 = 0.335 m

Angle, theta = arctan (AB/OB)

Theta = arctan (0.335/2.9) = 6.98 degree (Ans)

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