A train of length 120 m travelling with a speed of 40 m/s catches another train...
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A train of length 120 m travelling with a speed of 40 m/s catches another train of length 80 m travelling in the same direction and then leaves it 100 meters behind in 20 seconds. The speed of the second train is: 1. 20 m/S 2. 35 m/S 3. 28 m/S 4. 32 m/S 5. 25 m/S A train of length 120 m travelling with a speed of 40 m/s catches another train of length 80 m travelling in the same direction and then leaves it 100 meters behind in 20 seconds. The speed of the second train is: 1. 20 m/S 2. 35 m/S 3. 28 m/S 4. 32 m/S 5. 25 m/S
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Solution 5 Let the speed of the second train be y ms both the tr... View the full answer
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