To convert a speed of km/hr into m/sec,multiply by __________
5/17
5/18
18/5
17/5
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 man crosses a road 250 meters wide in 75 seconds.His speed in km/hr is
10
12
12.5
15
To convert a speed of m/sec into km/hr,multiply by ____________
8/15
If a moving body covers unequal distance in equal intervals of time,its speed is said to be____________
Uniform
equal
variable
none of these
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
If a moving body covers equal distance in equal intervals of time,its speed is said to be ___________.
Variable
Equal
None of these
Average speed is calculated by dividing total distance covered by ________________
Average time taken
Total time taken
total length o0f the object
We can calculate time of an object by dividing the distance travelled by the object by ___________
Speed
height object
weight of object
Change the speed of 40m/sec into Km/hr
144km/hr
124km/hr
120km/hr
140km/hr
