Sorry, but there is no table to the right. Please put the table.
Answer:
30
Step-by-step explanation:



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Answer: 5.5 seconds
Step-by-step explanation:
30=5/4 ×(-20) + 10t
30 =-25 +10t
10t=55
t=5.5seconds
The cord will first touch the corner of the building after 5.5secs