Motion and Time...

A man runs $$10 \ km$$ in $$30 \ min.$$ What is his speed?

Find the odd one out:

Which one of the following is travelling with the fastest speed?

The cheetah is the fastest land animal that can attain a maximum speed of $$112~ km/h$$. Express this speed in $$m/s$$.

The odometer of a car reads $$57321.0\ km$$ when the clock shows the time 8:30 AM. The distance moved by car if, at 8:50 AM, the odometer reading has changed to $$57336.0\ km$$ and also the speed will be:

The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be ________________.

Which of the following is not the unit of time ?

A boy running at an average speed of $$4 km/ hr$$ reaches school from his home in $$\dfrac{1}{2}\ hr$$. The distance of the school from his home is

The SI unit of speed is:

What does the speed of a body describes about its motion ?