A section of track for a roller coaster consists of two circular arcs AB and CD joined by a straight portion BC. The radius of AB is 27 m and the radius of CD is 72 m. The car and its occupants, of total mass 270-Kg reach point A with practically no velocity and then drop freely a the track. Ignore air resistance and rolling resistance B 72 m 27 m 30 18 m |D

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A section of track for a roller coaster consists of two circular arcs AB and CD joined by a straight portion BC. The radius of AB is 27 m and
the radius of CD is 72 m. The car and its occupants, of total mass 270-Kg reach point A with practically no velocity and then drop freely a
the track. Ignore air resistance and rolling resistance
B
72 m
27 m 30
18 m
|D
Transcribed Image Text:A section of track for a roller coaster consists of two circular arcs AB and CD joined by a straight portion BC. The radius of AB is 27 m and the radius of CD is 72 m. The car and its occupants, of total mass 270-Kg reach point A with practically no velocity and then drop freely a the track. Ignore air resistance and rolling resistance B 72 m 27 m 30 18 m |D
normal reaction at D (N)
maximum velocity at A to loose contact at B
а. 15.1
b. 12.58
c. 10.06
d. 7.55
e. 5.03
Transcribed Image Text:normal reaction at D (N) maximum velocity at A to loose contact at B а. 15.1 b. 12.58 c. 10.06 d. 7.55 e. 5.03
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