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ACT Aspire Science: Hornets vs Bees 0 Views


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Description:

The scientists classed one of the hornets as Class 1 because of the velocity at which it moved near the bees' nest. At what experimental time are 6 bees observed shaking per frame during this Class 1 flight episode?


Transcript

00:00

Yeah Oh Okay more be science Here we go We'll

00:08

figure one right here shows the relative strength of abdominal

00:12

thrust activity versus experimental time while a predatory wasp is

00:17

in front of the net No small scale waves are

00:20

in the blue area and big scale waves there in

00:22

the red area right now down to figure to right

00:25

here That shows the number of shaking bees per frame

00:28

versus experimental time The velocities and distances air split into

00:32

different classes A class one distance is closest to the

00:37

nest and a class five distance is farthest from the

00:40

nest Well velocity is split into eight classes with Class

00:44

one being the slowest in class Eight being the fastest

00:48

Well the closer the hornet the higher the wave strength

00:50

and the faster the hornet flies past the net The

00:53

higher the wave strength Well the wave strength is controlled

00:57

by number of shaking bees I eat the higher number

01:00

of shaking bees The stronger the way right Makes sense

01:04

Okay so And then here's some detail on figure one

01:06

You kind of skin that if you really want all

01:09

right then you're too When the bees and the birds

01:11

and the whatever Alright that's actually a different course The

01:15

scientists classed one of the Hornet's class one because of

01:19

the velocity at which it moved near the Bee's nest

01:22

At what experimental time our sixties observed shaking per frame

01:26

during this Class one flight episode questions get a lot

01:30

more complex All right Well let's hive a crack at

01:35

this one Yeah Graf A color coats according to the

01:39

distance of the hornet from the nest as indicated by

01:43

the caption for figure too Whereas graft be classifies according

01:48

to the hornets velocity will graft B and figure two

01:51

shows the number of shaking bees per frame against milliseconds

01:56

Right That's x and Y axes They're using the number

01:58

of shaking bees access It's next to grab a well

02:01

We confined where six bees were observed shaking and moving

02:04

horizontally over to where the class one curve intersects This

02:07

value the class one curve colored light green They're intersects

02:11

at a sharp peak halfway between zero and four hundred

02:15

milliseconds so the answer is a two hundred milliseconds And

02:18

notably this is the most excited that bees get Probably

02:22

because class one velocity seems indicate off Hornet just wandering

02:25

by at a slower face So chill out their little 00:02:29.22 --> [endTime] bees Maybe he's just window shopping for some honey

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