If the distance to electric train is given by Fr = a + bv + cv2 In thi – McqOptions

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1.	If the distance to electric train is given by Fr = a + bv + cv2 In this equation constant c is likely to cover
A.	air resistance
B.	track resistance
C.	frictional resistance
D.	flange resistance
E.	107 dynes
Answer» B.

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