The ruby-throated hummingbird has a wing beat of about 200 beats per second. About how many wing beats would a hummingbird have in 3 minutes?
1 Answer
May 18, 2016
Explanation:
The key to this is working out how many seconds there are in 3 minutes.
As there are
The hummingbird has #200 beats per second.
In 3 minutes there will be