- #26

- 90

- 8

t=d/v1+v2

- Thread starter Delta31415
- Start date

- #26

- 90

- 8

t=d/v1+v2

- #27

- 569

- 85

- #28

- 90

- 8

k ,i know that but i dont know the vaules of the variables,so how do i solve it

- #29

- 569

- 85

Now that we have an equation for t, what's the distance the fly flies?

- #30

- 90

- 8

t x v1+v2=d

- #31

- 569

- 85

For the distance the fly flies, shouldn't you use the fly's velocity, v_{3}?

- #32

- 90

- 8

so v3=t*v1+v2

- #33

- 569

- 85

Back to basics. d=vt

- #34

- 90

- 8

d=vt

d=v3*d/(v1+v2)

d=v3*d/(v1+v2)

Last edited:

- #35

- 569

- 85

- #36

- 90

- 8

yes i understand that d of fly= v3*t

Df=v3*d/(v1+v2)

equals

v1+v2*Df=v3*d

right?

Df=v3*d/(v1+v2)

equals

v1+v2*Df=v3*d

right?

Last edited:

- #37

- 569

- 85

But we already know that t=d/(v1+v2).v3*d/(v1+v2)

equals

v3*d=v1+v2

right?

We have the time the fly flies = t.

We have the velocity of the fly = v3.

We know d,fly = v3*t.

So what is d,fly in terms of the given variables: d, v1,v2, and v3?

- #38

- 90

- 8

so reposting it

yes i understand that d of fly= v3*t

Df=v3*d/(v1+v2)

equals

v1+v2*Df=v3*d

right?

- #39

- 569

- 85

Other than parentheses around the second v1+v2, my work here is done.yes i understand that d of fly= v3*t

Df=v3*d/(v1+v2)

equals

v1+v2*Df=v3*d

right?

Please know that this puzzle has stumped many people (usually trying to solve it with an infinite series).

- #40

- 90

- 8

thank you for your help

- #41

- 90

- 8

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