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
When is instantaneous speed the same as the average speed?
Which is greater?
(i) 36 km/hr
(ii) 8.5 m/s
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?
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
The time period of a given pendulum is constant.
The speed of a train is expressed in m/h.
Define speed Mention its formula and unit.
A spaceship travels 36,000 km in one hour. Express its speed in km/s.
______ measures the instantaneous speed of the automobile.
