Advertisements
Advertisements
प्रश्न
Can a body have negative speed?
Advertisements
उत्तर
No a body cannot have a speed negative.
APPEARS IN
संबंधित प्रश्न
Suppose the two photographs, shown in Figure 1 and Figure 2, had been taken at an interval of 10 seconds. If a distance of 100 metres is shown by 1 cm in these photographs, calculate the speed of the fastest car.
Figure 1 Vehicles moving in the same direction on a road
Figure 2 Position of vehicles shown in Figure 1 after some time
When is instantaneous speed the same as the average speed?
Which is greater?
(i) 60 km/hr
(ii) 15 m/s
Does uniform speed mean constant speed?
The relation S= v x t can easily be used to find the tota l distance covered by a body moving with non -uni form speed. (Yes/ no)
A quantity is measured to be -30 m/s. Is it speed or velocity?
Is the average speed during different time intervals for a uniform motion the same or different?
Complete the analogy.
Distance : metre :: Speed: ______?
______ measures the instantaneous speed of the automobile.
Distinguish between speed and velocity.
