Motion and Time...

Speed can be defined as :

According to SI system, the standard unit of time is :

In distance-time graph, which of the following is plotted on the y-axis?

In the given distance-time graph, what is the distance corresponding to $$4\ \text{min}$$?

In distance-time graph, which of the following is plotted on the x-axis?

Which of the following are examples of non-uniform motion along a straight line?

Gradient of line of displacement-time graph gives the :

Speed of a body depends on 

Name one unit of time bigger than a second. 

Rain is falling vertically with a speed of 1.7 m/s. A girl is walking with speed of 1.0 m/s in the N - E (north-east) direction. To shield herself she holds her umbrella making an approximate angle $$\theta $$ with the vertical in a certain direction. Then