Question

A car travels30km at a uniform speed of40km /per houe and next 30km at a speed of 20km per hour .Find the average

Answer 1

Answer:

Explanation:

• average speed  of a car
• total distance  \ total time taken
• t= distance \ time
• t 1= 30 km \ 40 km \hr
• t 1= 30×1000 m \ 40×1000 \ 3600 s

t 1= 30000 m \ 40000 m \ 3600 s

• 3 m \4 m \ 3600 s
• 3 \ 4 ×3600
• 2700 m\s
• as we you himself