मराठी

A Snail Covers a Distance of 100 Metres in 50 Hours. Calculate the Average Speed of Snail in Km/H.

Advertisements
Advertisements

प्रश्न

A snail covers a distance of 100 metres in 50 hours. Calculate the average speed of snail in km/h.

टीपा लिहा
बेरीज
Advertisements

उत्तर

Distance (d) = 1000 m = 0.1 km
Time (t) = 50 hr
So, we can calculate the speed as :
`"Average Speed" = "Total distance travelled"/"Time"`

Average speed for the entire journey :

= `0.1/50`

= 0.002  km/hr

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Motion - Very Short Answers 1 [पृष्ठ २०]

APPEARS IN

लखमीर सिंह Physics (Science) [English] Class 9 ICSE
पाठ 1 Motion
Very Short Answers 1 | Q 27 | पृष्ठ २०

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging?

  1. from A to B and
  2. from A to C?

Abdul, while driving to school, computes the average speed for his trip to be 20 km h−1. On his return trip along the same route, there is less traffic and the average speed is 30 km h−1. What is the average speed for Abdul’s trip?


Change the speed of 6 m/s into km/h.


Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.


What do the following measure in a car ?
(a) Speedometer (b) Odometer


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.


The diagram below shows the pattern of the oil on the road at a constant rate from a moving car. What information do you get from it about the motion of the car.


Express the following in m s−1.

1 km h1


A car travels the first 30 km with a uniform speed of 60 km h1 and the next 30 km with a uniform speed of 40 km h1. Calculate :

  1. The total time of journey,
  2. The average speed of the car.

Draw the shape of the velocity-time graph for a body moving with (a) Uniform velocity and (b) Uniform acceleration.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×