Answer:
Time taken = 2.0 seconds
Step-by-step explanation:
∴ Avg Speed = Total Distance Travelled ÷ Total Time Taken
By using the formula:
Let us assume the Unknown Time as x
⇒ So, '20/x = 10'
⇒ Which is 'x = 20/10'
⇒ Ans :- x = '2.0' seconds
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