A train 12m long crosses a standing man in 15 seconds.Find the speed of the train in km/hr.
28.8km/hr
28.5km/hr
28.9km/hr
none of these
We can calculate time of an object by dividing the distance travelled by the object by ___________
Speed
height object
weight of object
Incrossing a platform,a train has to cover a distance equal to the sum of the lengths of the train and the ___________
distance covered
platform
speed
If a moving body covers equal distance in equal intervals of time,its speed is said to be ___________.
Variable
Uniform
Equal
None of these
To convert a speed of km/hr into m/sec,multiply by __________
5/17
5/18
18/5
17/5
Change the speed of 90km/hr into m/sec
25m/sec
20m/sec
50m/sec
11m/sec
A car is travelling at a speed of 30Km/hr.How far it travel in 50 minutes.
41.51Km/hr
40.67Km/hr
41.67km/hr
None
A train covers 108 km in first two hours,36km in next half an hour and 90km in next two hours.Find the average speed of the train during the whole journey.
50km/hr
51km/hr
53km/hr
52km/hr
Find the time taken by a train 180 m long,running at 72km/hr,in crossing an electric pole.
9 seconds
10 seconds
8 seconds
11 seconds
an aeroplane flies 3000km in 1 hour 30 minuts find its speed.
1000km/hr
1500km/hr
2000km/hr
25km/hr
