A train 150m long passes a km stone in 30 seconds and another train of the same length travelling in opposite direction in 10 seconds. The speed ot the second train is :
Answers
Answered by
5
Answer:
Let the length of first train = l metre
and another = I2 metre
Speed of the first train =150m30s =5 m/s
Case-2
10=(150+150)metresspeed of 2nd train +5m/s
10=300s2+5
1=30s2+5
s2=25 m/s
Speed of the second train = 25 m/s
=25×185km/h
1 m/s=185 km/h
=90 km/hr
Step-by-step explanation:
oiii give me branliest or i fell very bad
Answered by
1
Answer:
90 km/hr
Step-by-step explanation:
Let the length of first train = l metre
and another = I2 metre
Speed of the first train =150m30s =5 m/s
Case-2
10=(150+150)metresspeed of 2nd train +5m/s
10=300s2+5
1=30s2+5
s2=25 m/s
Speed of the second train = 25 m/s
=25×185km/h
1 m/s=185 km/h
=90 km/hr
Similar questions