Question

.
An objective goes A to B 100m in 30s & Came back from B to A i 20sec .Find average speed
of total onward & return journey.
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Answer 1

Answer:

Total distance covered =200m

total time taken =20s+30s

$average \: speed = \frac{200m}{50s} \\ = 4m \: {s}^{ - 1}$

Answer 2

Answer:

the average speed of this is 4 ms -1