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
Average speed is calculated by dividing total distance covered by ________________
Average time taken
Total time taken
total length o0f the object
None of these
If a moving body covers unequal distance in equal intervals of time,its speed is said to be____________
Uniform
equal
variable
none of these
To convert a speed of km/hr into m/sec,multiply by __________
5/17
5/18
18/5
17/5
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
Change a speed of 63km/hr into m/sec
17.2m/sec
17.4m/sec
17.5m/sec
none
To convert a speed of m/sec into km/hr,multiply by ____________
8/15
The distance travelled by a moving body is a unit of time is called its________
inertia
friction
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