Advertisements
Advertisements
प्रश्न
Which is greater?
(i) 60 km/hr
(ii) 15 m/s
Advertisements
उत्तर
60 km/hr can be converted into m/s to compare with 15m/s.
60 km/hr = (60 X 1000)/3600 = 16.66 m/s. so speed 60 km/hr is greater.
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
______ is the distance traversed by a body in a particular direction in unit time.
Define Speed.
Convert 20 m/s into km/hr.
A boy covers half of his journey with a uniform speed of u and the other half with a uniform speed of v. What is the average speed for the whole journey?
Can a body have negative speed?
Suppose a boy is enjoying a ride on a merry go round which is moving with a constant speed of 10 m/s. It implies that the boy is
Length of scale : metre :: Speed of aeroplane : ______.
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels at a higher speed?
Distinguish between Speed and velocity.
