Solving Speed, Road and Time Equations

[-Physician]

Speed is expressed with v.
It's Unit is m(meter)/s(second) (m/s)
Formula:
v=s/t

Road is expressed with s.
It's unit is m(meter), (m)
Formula:
s=v*t.

Time is expressed with t.
It's unit is s(second) (s)
Formula:
t=s/v

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Finding formulas:

(Finding s(road)).
Equation:
v=s/t*t=v*t=s/t*t/1=s*t/t(simplify t and t)= s . That means s=v*t

(Finding t(time))
After we found s formula, we can find the t formula, using the s formula.
Equation:
s=v*t:v=s/v=v*t/1:v/1=v*t/1*1/v=v*t/v(simplify v and v)=t . That means t=s/v

(Finding v(speed)).
After we found the s formula, using v formula, we can also find v formula using s formula.
Equation:
s=v*t:t=s/t=v*t/1:t/1=v*t/1*1/t=v*t/t(simplify t and t)=v. That means v=s/t

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The tasks:

v=200m/s=...km/h
v=200*1/1000m/1/3600s=200*3600h/1000km(simplify 2 zeros with 2 zeros)=7200h/10km(simplify 1 zero with 1 zero)=720km/h.

s=3,008km = 3008m
t=32h = 115200s
s=v*t:t=s/t=v*t/1:t/1=v*t/1*1/t=v*t/t(simplify t and t)=v=3008m/115200s=0.0261111m/s
---
v=0.0261111m/s
t=32h = 115200s
v=s/t*t=v*t=s/t*t/1=s*t/t(simplify t and t)=s=0.261111m/s*115200s(simplify s and s)=3007.9987m (almost 3008m(3,008km(s))).
---
v=0.0261111m/s
s=3,008km = 3008m
s=v*t:v=s/v=v*t/1:v/1=v*t/1*1/v=v*t/v(simplify v and v)=t=3008m/0.0261111m/s(simplify m and m)= 115200.04 (almost 115200s(t)).

Thank you,
New Physician, Besfort Shala.

 

[Markus Hanke]

And your question is...?

 

[-Physician]

None?

 

[micromass]

None?

So you just posted this because the formula's looked nice??

 

[Vagn]

What's the purpose of the post then?

 

[micromass]

Since the OP is apparently unable to explain the purpose of this thread, I am locking it.