A train crosses a pole in 20 sec. If the length of train is 500 meters, what…
2024
A train crosses a pole in 20 sec. If the length of train is 500 meters, what is the speed of the train?
- A.
27 m/s
- B.
20 m/s
- C.
25 m/s
- D.
30 m/s
Attempted by 56 students.
Show answer & explanation
Correct answer: C
Answer: 25 m/s (90 km/h)
Explanation:
Use the formula for speed:
Step 1: V = distance ÷ time.
Step 2: Substitute distance = 500 m and time = 20 s: V = 500 ÷ 20 = 25 m/s.
Optional: Convert to km/h by multiplying by 3.6: 25 × 3.6 = 90 km/h.