In what time will a train 200 m long cross an electric pole, it its speed be 144 km/hr?
Choose the correct choice: A) 5.0 sec B) 2.9 sec C) 1.3 sec D) 2.9 sec E) 1.8 sec
Speed = 144 * 5/18= 
<gadget id="calculator">144 * 5/18</gadget>
<output>40</output>
40 m/sec   Time taken= 200/40= 
<gadget id="calculator">200/40</gadget>
<output>5</output>
5.0 sec.   5.0 secnswer:5.0 sec
<result>A</result>
In what time will a train 200 m long cross an electric pole, it its speed be 144 km/hr?