A train is running at a speed of 108 km/h. Calculate the speed of the train in m/s
Answers
Answered by
0
Answer:
30m/s
Explanation:
Answered by
1
a train is running at a speed of 108km/h
=108×5/18 =30m/s
From momentum conservation
m×30+m×10 =mv1+mv2....(I)
e ( velocity of approach) = velocity of separation
=1/2×(30-10)=v2-v1
=10=ve -v1 ...(ii)
on solving ve= m×40+m+×10÷m+m
=4+m 10÷m ÷1+m÷m.
=40m/s
plz follow me
Similar questions