Question: a train of length l is traveling at a constant velocity and passes a pole in t seconds . if the same train travelling at the same velocity passes a platform in 2 t seconds , then what is the length of the platform ?
A) 0.5 l
B) l
C) 1.5 l
D) 2 l
E) 3
Correct answer: B
Grade: 8 | Topic: Functions | Difficulty: Hard | Standard: 8.F.B.4