FinalExamJune08

# FinalExamJune08 - Alexandria University Faculty of...

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Exam Committee: Prof.Dr. Farouk A. Elbarki , Dr. Saad Elsafi A.Ghazi Page1 SSP Alexandria University Faculty of Engineering Specialized Scientific Programs tyrdnksla tAm±j tsdnhLa ty²k tSSKTmLa tym²ALa JmarbLa June, 2008 wynwy ³´´µ Course title Number:Mechanics (2)- MP(104) HL ¶dwkLa MqrLaw rrQmLa Msa : ±kyn±kym ) 2 ( Time allowed:2 Hours TOTAL MARKS: 40 NmzLa : N±T·±s ¸mZALa tjrdLa : ¹´ All questions must be answered with drawings having full dimensions and angles. The sequence and titles of equations used for answers must be shown at all steps of solution. Q UESTION N O .(2):( 8Marks – 4 for each section ) : i. Determine the required height h of the roller coaster so that when it is essentially at rest at the crest of the hill it will reach a speed of s / m 50 when it comes to the bottom B. Also what should be the radius of curvature ρ for the track at B so that the passengers do not experience a normal force greater than ( 6 mg ) . If the radius of curvature at C is ( m 40 C = ) , determine the maximum permissible speed at ( C ) and the corresponding value of the height (L) .

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FinalExamJune08 - Alexandria University Faculty of...

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