10 questions
The total distance covered divided by the total time
irregular speed
average speed
relative speed
motion
the speed relative to an observer
average speed
relative speed
regular speed
motion
a body moves 200 m in 40 sec, the speed equals -----
5 m/s
50 m/s
5 km/h
50 km/h
irregular speed can be calculated by the relation of
relative speed
regular speed
average speed
motion
the units of measuring speed
km/h
mile
m/s
none
find the speed of a car moving by speed 120 km/h relative to another car moving by speed 100 km/h in opposite direction
20 km/h
220 km/h
100 km/h
zero
a device used inside the car to find the speed
periscope
speedometer
endoscope
none
the speed of a car moving by 100 km/h
27.77 m/s
26.6 m/s
360 m/s
none
The relative speed of the car moving in the same direction of another car by the same speed
V2 - V1
V1 + V2
Zero
none
the change in object position relative to another object
speed
motion
acceleration
none