Question

Please help !!!
Give answer step by step

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Answer 1

Answer:

Average speed of the boy is 0.4 m/s.

Explanation:

Boy covers  30 metre in 1 minute.

Boy cover next 30 metre in 1.5 minute.

this type of the motion of the body is non uniform as it covers 30 metre distance in 1 minute whereas next 30 metre distance in 1.5 minute. Here is unequal time intervals.

Average speed=Total distance cover/total time taken

                        =60m/150 sec

                        =0.4 m/s