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- Does this seem correct

Hello I’m hoping someone could help

I was asked by a fellow student the following question

A 6 foot tall boy is stood in his schools gymnasium, he throws a standard full-size tennis ball up in the air to the height of 20 feet and it lands back into his hand at the same distance from the floor that he threw it from (air resistance negligible)

How long in seconds would it take from leaving his hand to being caught again?

Can someone please confirm this to be correct or close? (I can provide my working out if needed or requested)

Thanks

I was asked by a fellow student the following question

A 6 foot tall boy is stood in his schools gymnasium, he throws a standard full-size tennis ball up in the air to the height of 20 feet and it lands back into his hand at the same distance from the floor that he threw it from (air resistance negligible)

How long in seconds would it take from leaving his hand to being caught again?

I have come to the answer of approx 5.5 secondsI have come to the answer of approx 5.5 seconds

Can someone please confirm this to be correct or close? (I can provide my working out if needed or requested)

Thanks