Multiple choice

The speed of a bus is (90\text{ km/hr}). The distance covered by the bus in (5) seconds is

  1. $100 m$
  2. $60 m$
  3. $125 m$
  4. $74.5 m$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Speed = 90 km/hr = 90 × (1000/3600) m/s = 25 m/s. Distance = Speed × Time = 25 × 5 = 125 m. Option C is correct. Option A (100 m) would require speed of 20 m/s (72 km/hr). Option B (60 m) would require 12 m/s (43.2 km/hr).

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