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(4) 10 m/s
13. An object, travelling along a straight path, covers 35 m distance in 4 seconds. In next 6
seconds, it covers 50 m distance. What is the average speed of the object?
(1) 3.5 m/s
(2) 4.5 m/s
(3) 7.5 m/s
(4) 8.5 m/s
14. A taxi driver noted reading on the odometer fitted in


Sagot :

Answer:

13

Explanation:

6+4=10s

50+35=85

av speed=85/10=8.5m/s