Question

John covers a distance of 14.4 km in 2 hours 40 minutes . Find his speed in m/s . If he travels at the same speed how much distance will he cover in 3 hours 20 minutes .​

Answer 1

Answer:

Distance =14.4km

Time taken to cover =2hrs40mins

                                 =2.  

3

2

​  

 

                                 =  

3

8

​  

hrs

⇒ Speed in m/s =  

3

8

​  

×3600×10

14.4×1000

​  

=  

2

3

​  

ms  

−1

 

⇒ Distance from house to school and bank =(240+240)m=480m

⇒ Time taken =  

1.5

480

​  

 second =320 seconds

                        =(  

60

320

​  

)min

                        =50min20sec.

Hence, the answer is 50min20sec.