Advertisements
Advertisements
प्रश्न
The speed of a moving object is determined to be 0.06 m/s. This speed is equal to :
विकल्प
2.16 km/h
1.08 km/h
0.216 km/h
0.0216 km/h
Advertisements
उत्तर
0.216 km/h
We can convert 0.06 m/s as :
= `"0.06 (3600)"/1000` km/hr
= 0.216 km/hr
So , the answer is 0.216 km/h.
APPEARS IN
संबंधित प्रश्न
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
State whether speed is a scalar or a vector quantity. Give reason for your choice.
A motorcyclist drives from place A to B with a uniform speed of 30 km h-1 and returns from place B to A with a uniform speed of 20 km h-1. Find his average speed.
Convert a speed of 54 km/h into m/s.
The distance between Delhi and Agra is 200 km. A train travels the first 100 km at a speed of 50 km/h. How fast must the train travel the next 100 km, so as to average 70 km/h for the whole journey ?
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
What is its average speed ?
A car is moving on a straight road with uniform acceleration. The speed of the car varies with time as follows :
Time (s) : 0 2 4 6 8 10
Speed (m/s) : 4 8 12 16 20 24
Draw the speed-time graph by choosing a convenient scale. From this graph :

(1) Calculate the acceleration of the car.
(2) Calculate the distance travelled by the car in 10 seconds.
Express the following in m s-1.
18 km min-1
A car accelerates at a rate of 5 m s-2. Find the increase in its velocity in 2 s.
A body moves from rest with uniform acceleration and travels 270 m in 3 s. Find the velocity of the body at 10 s after the start.
