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Asked in KMU Centralized Admission Test 2021 2021

A train of length 100m is crossing 200m in length, at the speed of 20m/s. What is the time taken by the train crossing the bridge?

Correct answer: B. 15 sec

  • A. 10 sec
  • B. 15 sec
  • C. 20 sec
  • D. 25 sec

Explanation

To calculateSpeed = 20m/sTotal distance = 100m +200m =300mTime = distance/speed = 300/20 =15s

This question appeared on the KMU Centralized Admission Test 2021 paper, which you can sit online with every answer explained.

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About Displacement and Velocity

Displacement is the directed change in position, while velocity is the rate of change of displacement and includes both magnitude and direction. The topic connects position-time and velocity-time graphs with average and instantaneous values, and distinguishes displacement from distance and velocity from speed.

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