Advertisements
Advertisements
Question
A tortoise moves a distance of 100 metres in 15 minutes. What is the average speed of tortoise in km/h ?
Advertisements
Solution
Distance (d) = 0.1 km
Time (t) = `15/60` hr
= 0.25 hr
So, we can calculate the speed as :
`"Average speed" = "Total distance travelled"/"Time"`
Average speed for the entire journey :
= `0.1/0.25`
= 0.4 km/hr
APPEARS IN
RELATED QUESTIONS
What is the Differnece between speed and velocity ?
Name the physical quantity which gives us an idea of how slow or fast a body is moving.
Bus X travels a distance of 360 km in 5 hours whereas bus Y travels a distance of 476 km in 7 hours. Which
bus travels faster ?
Arrange the following speed in increasing order (keeping the least speed first):
A bicycle moving with a speed of 200 m/min.
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 ?
Which of the following could not be a unit of speed?
Express the following in m s−1.
1 km h−1
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is velocity of the car?
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
Derive th e equation of motion.
S = ut+ `1/2` at2,
Where the symbols have their usual meanings
