Physics
Physics, 05.07.2019 05:10, aalexissm

At its widest point, the diameter of a bottlenose dolphin is 0.50 m. bottlenose dolphins are particularly sleek, having a drag coefficient of only about 0.090. a. what is the drag force acting on such a dolphin swimming at 7.5 m/s?
b. using the dolphinâs diameter as its characteristic length, what is the reynolds number as it swims at this speed in 20â° c water?

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English, 29.07.2019 14:00, Debosree
Choose all the sentences that are written in active voice: 1. like humans, who use words and gestures to communicate bottlenose dolphins use many sounds and body movements to convey information to one another. 2. during one study, researchers in hawaii listened as a mother dolphin and her baby—swimming in separate tanks—chatted to each other through a special audio device. 3. the sounds of a mother dolphin reaching out to her baby were heard by scientists who had separated the mother and child into two different tanks. 4. whistle-like noises are produced through vibrations in the tissue of the dolphin's nasal cavities. 5. in addition to sounds, bottlenose dolphins communicate through body language and touch.
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English, 29.07.2019 15:30, xojade
Choose all the sentences that are written in active voice. like humans, who use words and gestures to communicate bottlenose dolphins use many sounds and body movements to convey information to one another. during one study, researchers in hawaii listened as a mother dolphin and her baby—swimming in separate tanks—chatted to each other through a special audio device. the sounds of a mother dolphin reaching out to her baby were heard by scientists who had separated the mother and child into two different tanks. whistle-like noises are produced through vibrations in the tissue of the dolphin's nasal cavities. in addition to sounds, bottlenose dolphins communicate through body language and touch.
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English, 02.08.2019 12:00, 23rwilliamson
Which sentence from the passage uses active voice? a) this secret language has been studied by scientists for some time. b) the meaning of their chatter was unable to be decoded by scientists. c) in fact, scientists believe that every bottlenose dolphin develops a unique whistle. d) a number of definitive movements bottlenose dolphins make have been identified by researchers.
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At its widest point, the diameter of a bottlenose dolphin is 0.50 m. bottlenose dolphins are particu...

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