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ACT Aspire Science: It's The Bee's Knees 1 Views


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Description:

According to the information in Figure 1, what is the experimental time for the peak that has a value of 1.0 for relative strength?


Transcript

00:00

Yeah Oh maur science Allah shmoop sorta all right Well

00:08

giant honey bees really put the power in numbers idea

00:12

good used by moving their bodies in a timely fashion

00:16

called shimmering to repel predators such as hornets giant honeybees

00:20

nest in the open meaning that their bodies are exposed

00:23

on the outside of the nest Well the idea is

00:26

that when a hornet approaches a patch of bees begins

00:30

the social event by pitching their abdomens upwards They do

00:33

that at the Green Bay Packer games too If you

00:36

look close other neighboring bees quickly join in and spread

00:39

the wave of action across the nest Figure one right

00:43

here shows the relative strength of abdominal thrust activity versus

00:47

experimental time While a predatory wasp is in front of

00:51

the nest No small scale waves are in the blue

00:54

area and big scale waves there in the red area

00:57

All right now down to figure to right here That

00:59

shows the number of shaking bees per frame versus experimental

01:03

time The velocities and distances air split into different classes

01:08

A class one distance is closest to the nest and

01:11

a class five distance is farthest from the nest wealth

01:14

velocity is split into eight classes with class one being

01:18

the slowest in class Eight being the fastest Well the

01:21

closer the hornet the higher the wave strength and the

01:24

faster the hornet flies past Annette the higher the wave

01:27

strength for the wave strength is controlled by number of

01:31

shaking bees I eat the higher number of shaking bees

01:34

The stronger of away right makes sense Okay So And

01:38

then here's some detail on figure one kind of skin

01:40

that if you want right then figure to when the

01:44

bees and the birds and whatever Alright that's actually a

01:46

different course Okay one according to the information and figure

01:51

one What is the experimental time for the peak that

01:54

has a value of one point zero for relative strength

01:58

All right figure while I check this out Okay People

02:03

forget five minute abs These bees have their ab workout

02:07

down Teo Well fifty seconds and figure one The vertical

02:11

axis of the graph shows the relative strength or rather

02:14

the intensity at which the bees are thrusting their abs

02:18

relative to how hard they could be working Thiss graph

02:21

goes upto one point zero because while this would be

02:23

the max intensity that they work at you know during

02:26

one of these waves sessions So look for the place

02:29

where the white line reaches the top of the graf

02:32

or the red zone If we move horizontally along the

02:35

graft to the location of the highest peak well then

02:38

we see that this peak lines up with the experimental

02:41

time of about thirty two seconds Yeah we always knew

02:44

time was nothing more than an experiment That's it All

02:47

right so the answer is B They're right there Thirty

02:49

two seconds and we're done the

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