a truck 10 m long enters one end of a 170 m long tunnel and exits through the other end after 14.4 seconds.what was the speed of the truck in km per hour
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Answered by
5
approximate 12m per second
dimple42:
book answer is 45km/h
I am try also now
ok
book answer is 45km/h but my answer is approximately 12m/sec both are same
ok
Thank for this
Answered by
3
we know that ,
speed = distance *time
since the train length is 10 m , speed = 160*14.4 = 2304 m/s
=> speed= 17 km per hour
book answer is 45km/h
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