Ques:- A train travelling at a speed of 90 km/hr, crosses a pole in 10 seconds. The length of the train is
A. 100 m
B. 150 m
C. 250 m
D. 900 m
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250m
250m
90/3.6= 25*10=250
C
250
cos 90kmph is 90*1000/3600 so 25m/s
if the train crosses it in 10 sec then the length is
25*10=250 m
Speed= 90km/hr
Time= 10 S
Length=?
Length= speed× Time
=90×(18/5)×10
=25×10
= 250m
250
speed x time = distance
(90/3.6)x10 = 250m
250m
S = 90km/hr T =10s
T = 10s
D = S*T
D= ( 90*5/18) *10s
D= 250m
Train speed 90 km /h
1st we have to change in m/s. then 90*5/18=25m/s
Then d=speed*time
=25*10=250m train length