A student draws a distance - time graph for a moving scooter and finds that a section of the graph is a horizontal line parallel to the time axis. Which of the following conclusion is correct about this section of the graph
The scooter has uniform speed in this section
The distance travelled by scooter is the maximum in this section
The distance travelled by the scooter is the minimum in the section
The distance travelled by the scooter is zero in this section
The composition of air can be best represented by drawing a
Pie chart
Bar graph
Line graph
Histogram
An athlete attains a maximum speed of 36 km / h . This speed is equal to
5 m / s
10 m / s
15 m / s
20 m / s
The girl on the bicyle is in _______ in relation to the road.
rest
motion
oscillary motion
rotationary motion
Which among the following is not a fundamental quantity?
Velocity
Length
Mass
Time
The most appropriate unit for expressing the speed of a space rocket is
m / s
m / h
Km / h
Km / min
The sundial is a device for measuring
Speed
Distance
Height
This goes fast
Air plane
Train
Bus
Car
The clocks and watches which are used for measuring time are based on :
Rectilinear motion
Circular motion
Periodic motion
Rotational motion
1km/ h =________ m/s
18/5
15/8
5/18
15/18
