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review derivation: time invariant force conserves energy

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Index Inference Rule Input latex Feeds latex Output latex step validity dimension check unit check notes
27 substitute RHS of expr 1 into expr 2
  1. 9337785146; locally 6154610:
    \(v = \frac{x_2 - x_1}{t}\)
    \(pdg_{1357} = \frac{- pdg_{3852} + pdg_{5467}}{pdg_{1467}}\)
  2. 7267155233; locally 7539016:
    \(\frac{PE_2 - PE_1}{t} = -F \left( \frac{x_2 - x_1}{t} \right)\)
    \(\frac{- pdg_{4093} + pdg_{8849}}{pdg_{1467}} = - \frac{pdg_{4202} \left(- pdg_{3852} + pdg_{5467}\right)}{pdg_{1467}}\)
  1. 4872970974; locally 9383749:
    \(\frac{PE_2 - PE_1}{t} = -F v\)
    \(\frac{- pdg_{4093} + pdg_{8849}}{pdg_{1467}} = - pdg_{1357} pdg_{4202}\)
valid 9337785146:
7267155233:
4872970974:
9337785146:
7267155233:
4872970974:
14 substitute RHS of expr 1 into expr 2
  1. 4648451961; locally 8696678:
    \(v_2^2 - v_1^2 = (v_2 + v_1)(v_2 - v_1)\)
    \(- pdg_{2473}^{2} + pdg_{4770}^{2} = \left(- pdg_{2473} + pdg_{4770}\right) \left(pdg_{2473} + pdg_{4770}\right)\)
  2. 4270680309; locally 3040361:
    \(\frac{KE_2 - KE_1}{t} = \frac{1}{2} m \frac{\left( v_2^2 - v_1^2 \right)}{t}\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = \frac{pdg_{5156} \left(- pdg_{2473}^{2} + pdg_{4770}^{2}\right)}{2 pdg_{1467}}\)
  1. 9356924046; locally 6246951:
    \(\frac{KE_2 - KE_1}{t} = m \frac{v_2 + v_1}{2} \frac{ v_2 - v_1 }{t}\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = \frac{pdg_{5156} \left(- pdg_{2473} + pdg_{4770}\right) \left(\frac{pdg_{2473}}{2} + \frac{pdg_{4770}}{2}\right)}{pdg_{1467}}\)
valid 4648451961:
4270680309:
9356924046:
4648451961:
4270680309:
9356924046:
18 substitute RHS of expr 1 into expr 2
  1. 2857430695; locally 6973462:
    \(a = \frac{v_2 - v_1}{t}\)
    \(pdg_{9140} = \frac{- pdg_{2473} + pdg_{4770}}{pdg_{1467}}\)
  2. 7735737409; locally 6733685:
    \(\frac{KE_2 - KE_1}{t} = m v \frac{ v_2 - v_1 }{t}\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = \frac{pdg_{1357} pdg_{5156} \left(- pdg_{2473} + pdg_{4770}\right)}{pdg_{1467}}\)
  1. 4784793837; locally 4876963:
    \(\frac{KE_2 - KE_1}{t} = m v a\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = pdg_{1357} pdg_{5156} pdg_{9140}\)
valid 2857430695:
7735737409:
4784793837:
2857430695:
7735737409:
4784793837:
31 simplify
  1. 1772416655; locally 5300304:
    \(\frac{E_2 - E_1}{t} = v F - F v\)
    \(\frac{pdg_{4550} - pdg_{5579}}{pdg_{1467}} = 0\)
  1. 1809909100; locally 6495233:
    \(\frac{E_2 - E_1}{t} = 0\)
    \(\frac{pdg_{4550} - pdg_{5579}}{pdg_{1467}} = 0\)
valid 1772416655: inconsistent dimensions
1809909100:
1772416655: N/A
1809909100:
32 multiply both sides by
  1. 1809909100; locally 6495233:
    \(\frac{E_2 - E_1}{t} = 0\)
    \(\frac{pdg_{4550} - pdg_{5579}}{pdg_{1467}} = 0\)
  1. 5778176146:
    \(t\)
    \(pdg_{1467}\)
  1. 3806977900; locally 2075807:
    \(E_2 - E_1 = 0\)
    \(pdg_{4550} - pdg_{5579} = 0\)
valid 1809909100:
3806977900:
1809909100:
3806977900:
6 declare initial expr
  1. 8357234146; locally 6559987:
    \(KE = \frac{1}{2} m v^2\)
    \(pdg_{4929} = \frac{pdg_{1357}^{2} pdg_{5156}}{2}\)
no validation is available for declarations 8357234146:
8357234146:
17 substitute RHS of expr 1 into expr 2
  1. 9397152918; locally 3484339:
    \(v = \frac{v_1 + v_2}{2}\)
    \(pdg_{1357} = \frac{pdg_{2473}}{2} + \frac{pdg_{4770}}{2}\)
  2. 9356924046; locally 6246951:
    \(\frac{KE_2 - KE_1}{t} = m \frac{v_2 + v_1}{2} \frac{ v_2 - v_1 }{t}\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = \frac{pdg_{5156} \left(- pdg_{2473} + pdg_{4770}\right) \left(\frac{pdg_{2473}}{2} + \frac{pdg_{4770}}{2}\right)}{pdg_{1467}}\)
  1. 7735737409; locally 6733685:
    \(\frac{KE_2 - KE_1}{t} = m v \frac{ v_2 - v_1 }{t}\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = \frac{pdg_{1357} pdg_{5156} \left(- pdg_{2473} + pdg_{4770}\right)}{pdg_{1467}}\)
valid 9397152918:
9356924046:
7735737409:
9397152918:
9356924046:
7735737409:
29 substitute RHS of expr 1 into expr 2
  1. 4872970974; locally 9383749:
    \(\frac{PE_2 - PE_1}{t} = -F v\)
    \(\frac{- pdg_{4093} + pdg_{8849}}{pdg_{1467}} = - pdg_{1357} pdg_{4202}\)
  2. 2770069250; locally 2692856:
    \(\frac{E_2 - E_1}{t} = \frac{(KE_2 - KE_1)}{t} + \frac{(PE_2 - PE_1)}{t}\)
    \(\frac{pdg_{4550} - pdg_{5579}}{pdg_{1467}} = \frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} + \frac{- pdg_{4093} + pdg_{8849}}{pdg_{1467}}\)
  1. 3591237106; locally 9714818:
    \(\frac{E_2 - E_1}{t} = \frac{(KE_2 - KE_1)}{t} - F v\)
    \(\frac{pdg_{4550} - pg_{5579}}{pdg_{1467}} = - pdg_{1357} pdg_{4202} + \frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}}\)
LHS diff is (-pdg5579 + pg5579)/pdg1467 RHS diff is (pdg1357*pdg1467*pdg4202 - pdg4093 + pdg8849)/pdg1467 4872970974:
2770069250:
3591237106: error for dim with 3591237106
 4872970974:
2770069250:
3591237106: N/A
7 change two variables in expr
  1. 8357234146; locally 6559987:
    \(KE = \frac{1}{2} m v^2\)
    \(pdg_{4929} = \frac{pdg_{1357}^{2} pdg_{5156}}{2}\)
  1. 6383056612:
    \(KE\)
    \(pdg_{4929}\)
  2. 6838659900:
    \(KE_2\)
    \(pdg_{1352}\)
  3. 9305761407:
    \(v\)
    \(pdg_{1357}\)
  4. 5011888122:
    \(v_2\)
    \(pdg_{4770}\)
  1. 7676652285; locally 6632540:
    \(KE_2 = \frac{1}{2} m v_2^2\)
    \(pdg_{1352} = \frac{pdg_{4770}^{2} pdg_{5156}}{2}\)
valid 8357234146:
7676652285:
8357234146:
7676652285:
11 divide both sides by
  1. 5733146966; locally 9602854:
    \(KE_2 - KE_1 = \frac{1}{2} m \left(v_2^2 - v_1^2\right)\)
    \(pdg_{1352} - pdg_{1955} = \frac{pdg_{5156} \left(- pdg_{2473}^{2} + pdg_{4770}^{2}\right)}{2}\)
  1. 6554292307:
    \(t\)
    \(pdg_{1467}\)
  1. 4270680309; locally 3040361:
    \(\frac{KE_2 - KE_1}{t} = \frac{1}{2} m \frac{\left( v_2^2 - v_1^2 \right)}{t}\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = \frac{pdg_{5156} \left(- pdg_{2473}^{2} + pdg_{4770}^{2}\right)}{2 pdg_{1467}}\)
valid 5733146966:
4270680309:
5733146966:
4270680309:
1 declare initial expr
  1. 5136652623; locally 8844119:
    \(E = KE + PE\)
    \(pdg_{4931} = pdg_{4929} + pdg_{4930}\)
no validation is available for declarations 5136652623:
5136652623:
2 change three variables in expr
  1. 5136652623; locally 8844119:
    \(E = KE + PE\)
    \(pdg_{4931} = pdg_{4929} + pdg_{4930}\)
  1. 1258245373:
    \(E\)
    \(pdg_{4931}\)
  2. 2344320475:
    \(E_2\)
    \(pdg_{4550}\)
  3. 6383056612:
    \(KE\)
    \(pdg_{4929}\)
  4. 7939947931:
    \(KE_2\)
    \(pdg_{1352}\)
  5. 5075406409:
    \(PE\)
    \(pdg_{4930}\)
  6. 5803210729:
    \(PE_2\)
    \(pdg_{8849}\)
  1. 7875206161; locally 5642407:
    \(E_2 = KE_2 + PE_2\)
    \(pdg_{4550} = pdg_{1352} + pdg_{8849}\)
valid 5136652623:
7875206161:
5136652623:
7875206161:
28 divide both sides by
  1. 5514556106; locally 2443387:
    \(E_2 - E_1 = (KE_2 - KE_1) + (PE_2 - PE_1)\)
    \(pdg_{4550} - pdg_{5579} = pdg_{1352} - pdg_{1955} - pdg_{4093} + pdg_{8849}\)
  1. 2081689540:
    \(t\)
    \(pdg_{1467}\)
  1. 2770069250; locally 2692856:
    \(\frac{E_2 - E_1}{t} = \frac{(KE_2 - KE_1)}{t} + \frac{(PE_2 - PE_1)}{t}\)
    \(\frac{pdg_{4550} - pdg_{5579}}{pdg_{1467}} = \frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} + \frac{- pdg_{4093} + pdg_{8849}}{pdg_{1467}}\)
valid 5514556106:
2770069250:
5514556106:
2770069250:
10 subtract expr 1 from expr 2
  1. 4928007622; locally 4208138:
    \(KE_1 = \frac{1}{2} m v_1^2\)
    \(pdg_{1955} = \frac{pdg_{2473}^{2} pdg_{5156}}{2}\)
  2. 7676652285; locally 6632540:
    \(KE_2 = \frac{1}{2} m v_2^2\)
    \(pdg_{1352} = \frac{pdg_{4770}^{2} pdg_{5156}}{2}\)
  1. 5733146966; locally 9602854:
    \(KE_2 - KE_1 = \frac{1}{2} m \left(v_2^2 - v_1^2\right)\)
    \(pdg_{1352} - pdg_{1955} = \frac{pdg_{5156} \left(- pdg_{2473}^{2} + pdg_{4770}^{2}\right)}{2}\)
valid 4928007622:
7676652285:
5733146966:
4928007622:
7676652285:
5733146966:
16 declare initial expr
  1. 2857430695; locally 6973462:
    \(a = \frac{v_2 - v_1}{t}\)
    \(pdg_{9140} = \frac{- pdg_{2473} + pdg_{4770}}{pdg_{1467}}\)
no validation is available for declarations 2857430695:
2857430695:
25 divide both sides by
  1. 7734996511; locally 1550851:
    \(PE_2 - PE_1 = -F ( x_2 - x_1 )\)
    \(- pdg_{4093} + pdg_{8849} = - pdg_{4202} \left(- pdg_{3852} + pdg_{5467}\right)\)
  1. 2016063530:
    \(t\)
    \(pdg_{1467}\)
  1. 7267155233; locally 7539016:
    \(\frac{PE_2 - PE_1}{t} = -F \left( \frac{x_2 - x_1}{t} \right)\)
    \(\frac{- pdg_{4093} + pdg_{8849}}{pdg_{1467}} = - \frac{pdg_{4202} \left(- pdg_{3852} + pdg_{5467}\right)}{pdg_{1467}}\)
valid 7734996511:
7267155233:
7734996511:
7267155233:
23 change two variables in expr
  1. 6715248283; locally 8497204:
    \(PE = -F x\)
    \(pdg_{4930} = - pdg_{4037} pdg_{4202}\)
  1. 3809726424:
    \(PE\)
    \(pdg_{4930}\)
  2. 6749533119:
    \(PE_1\)
    \(pdg_{4093}\)
  3. 4218009993:
    \(x\)
    \(pdg_{4037}\)
  4. 1552869972:
    \(x_1\)
    \(pdg_{3852}\)
  1. 4669290568; locally 9081932:
    \(PE_1 = -F x_1\)
    \(pdg_{4093} = - pdg_{3852} pdg_{4202}\)
valid 6715248283:
4669290568:
6715248283:
4669290568:
19 declare initial expr
  1. 5345738321; locally 8447573:
    \(F = m a\)
    \(pdg_{4202} = pdg_{5156} pdg_{9140}\)
no validation is available for declarations 5345738321:
5345738321:
22 change two variables in expr
  1. 6715248283; locally 8497204:
    \(PE = -F x\)
    \(pdg_{4930} = - pdg_{4037} pdg_{4202}\)
  1. 5075406409:
    \(PE\)
    \(pdg_{4930}\)
  2. 4522137851:
    \(PE_2\)
    \(pdg_{8849}\)
  3. 4188639044:
    \(x\)
    \(pdg_{4037}\)
  4. 4755369593:
    \(x_2\)
    \(pdg_{5467}\)
  1. 2431507955; locally 3988671:
    \(PE_2 = -F x_2\)
    \(pdg_{8849} = - pdg_{4202} pdg_{5467}\)
valid 6715248283:
2431507955:
6715248283:
2431507955:
assumes constant force
5 subtract expr 1 from expr 2
  1. 4303372136; locally 1298003:
    \(E_1 = KE_1 + PE_1\)
    \(pdg_{5579} = pdg_{1955} + pdg_{4093}\)
  2. 7875206161; locally 5642407:
    \(E_2 = KE_2 + PE_2\)
    \(pdg_{4550} = pdg_{1352} + pdg_{8849}\)
  1. 5514556106; locally 2443387:
    \(E_2 - E_1 = (KE_2 - KE_1) + (PE_2 - PE_1)\)
    \(pdg_{4550} - pdg_{5579} = pdg_{1352} - pdg_{1955} - pdg_{4093} + pdg_{8849}\)
valid 4303372136:
7875206161:
5514556106:
4303372136:
7875206161:
5514556106:
34 declare final expr
  1. 8558338742; locally 1781127:
    \(E_2 = E_1\)
    \(pdg_{4550} = pdg_{5579}\)
no validation is available for declarations 8558338742:
8558338742:
20 substitute RHS of expr 1 into expr 2
  1. 5345738321; locally 8447573:
    \(F = m a\)
    \(pdg_{4202} = pdg_{5156} pdg_{9140}\)
  2. 4784793837; locally 4876963:
    \(\frac{KE_2 - KE_1}{t} = m v a\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = pdg_{1357} pdg_{5156} pdg_{9140}\)
  1. 2186083170; locally 7034924:
    \(\frac{KE_2 - KE_1}{t} = v F\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = pdg_{1357} pdg_{4202}\)
valid 5345738321:
4784793837:
2186083170: dimensions are consistent
 5345738321:
4784793837:
2186083170: N/A
12 declare initial expr
  1. 5781981178; locally 2776565:
    \(x^2 - y^2 = (x+y)(x-y)\)
    \(- pdg_{1452}^{2} + pdg_{1464}^{2} = \left(- pdg_{1452} + pdg_{1464}\right) \left(pdg_{1452} + pdg_{1464}\right)\)
no validation is available for declarations 5781981178:
5781981178:
8 change two variables in expr
  1. 8357234146; locally 6559987:
    \(KE = \frac{1}{2} m v^2\)
    \(pdg_{4929} = \frac{pdg_{1357}^{2} pdg_{5156}}{2}\)
  1. 4147101187:
    \(KE\)
    \(pdg_{4929}\)
  2. 6964468708:
    \(KE_1\)
    \(pdg_{1955}\)
  3. 5398681503:
    \(v\)
    \(pdg_{1357}\)
  4. 3105350101:
    \(v_1\)
    \(pdg_{2473}\)
  1. 4928007622; locally 4208138:
    \(KE_1 = \frac{1}{2} m v_1^2\)
    \(pdg_{1955} = \frac{pdg_{2473}^{2} pdg_{5156}}{2}\)
valid 8357234146:
4928007622:
8357234146:
4928007622:
21 declare initial expr
  1. 6715248283; locally 8497204:
    \(PE = -F x\)
    \(pdg_{4930} = - pdg_{4037} pdg_{4202}\)
no validation is available for declarations 6715248283:
6715248283:
24 subtract expr 1 from expr 2
  1. 4669290568; locally 9081932:
    \(PE_1 = -F x_1\)
    \(pdg_{4093} = - pdg_{3852} pdg_{4202}\)
  2. 2431507955; locally 3988671:
    \(PE_2 = -F x_2\)
    \(pdg_{8849} = - pdg_{4202} pdg_{5467}\)
  1. 7734996511; locally 1550851:
    \(PE_2 - PE_1 = -F ( x_2 - x_1 )\)
    \(- pdg_{4093} + pdg_{8849} = - pdg_{4202} \left(- pdg_{3852} + pdg_{5467}\right)\)
valid 4669290568:
2431507955:
7734996511:
4669290568:
2431507955:
7734996511:
33 add X to both sides
  1. 3806977900; locally 2075807:
    \(E_2 - E_1 = 0\)
    \(pdg_{4550} - pdg_{5579} = 0\)
  1. 5960438249:
    \(E_1\)
    \(pdg_{5579}\)
  1. 8558338742; locally 1781127:
    \(E_2 = E_1\)
    \(pdg_{4550} = pdg_{5579}\)
valid 3806977900:
8558338742:
3806977900:
8558338742:
13 change two variables in expr
  1. 5781981178; locally 2776565:
    \(x^2 - y^2 = (x+y)(x-y)\)
    \(- pdg_{1452}^{2} + pdg_{1464}^{2} = \left(- pdg_{1452} + pdg_{1464}\right) \left(pdg_{1452} + pdg_{1464}\right)\)
  1. 1025759423:
    \(y\)
    \(pdg_{1452}\)
  2. 5239755033:
    \(v_1\)
    \(pdg_{2473}\)
  3. 8173074178:
    \(x\)
    \(pdg_{1464}\)
  4. 4319470443:
    \(v_2\)
    \(pdg_{4770}\)
  1. 4648451961; locally 8696678:
    \(v_2^2 - v_1^2 = (v_2 + v_1)(v_2 - v_1)\)
    \(- pdg_{2473}^{2} + pdg_{4770}^{2} = \left(- pdg_{2473} + pdg_{4770}\right) \left(pdg_{2473} + pdg_{4770}\right)\)
valid 5781981178:
4648451961:
5781981178:
4648451961:
26 declare initial expr
  1. 9337785146; locally 6154610:
    \(v = \frac{x_2 - x_1}{t}\)
    \(pdg_{1357} = \frac{- pdg_{3852} + pdg_{5467}}{pdg_{1467}}\)
no validation is available for declarations 9337785146:
9337785146:
15 declare initial expr
  1. 9397152918; locally 3484339:
    \(v = \frac{v_1 + v_2}{2}\)
    \(pdg_{1357} = \frac{pdg_{2473}}{2} + \frac{pdg_{4770}}{2}\)
no validation is available for declarations 9397152918:
9397152918:
3 change three variables in expr
  1. 5136652623; locally 8844119:
    \(E = KE + PE\)
    \(pdg_{4931} = pdg_{4929} + pdg_{4930}\)
  1. 3749492596:
    \(E\)
    \(pdg_{4931}\)
  2. 4213426349:
    \(E_1\)
    \(pdg_{5579}\)
  3. 4147101187:
    \(KE\)
    \(pdg_{4929}\)
  4. 1092872200:
    \(KE_1\)
    \(pdg_{1955}\)
  5. 3809726424:
    \(PE\)
    \(pdg_{4930}\)
  6. 8061701434:
    \(PE_1\)
    \(pdg_{4093}\)
  1. 4303372136; locally 1298003:
    \(E_1 = KE_1 + PE_1\)
    \(pdg_{5579} = pdg_{1955} + pdg_{4093}\)
valid 5136652623:
4303372136:
5136652623:
4303372136:
30 substitute RHS of expr 1 into expr 2
  1. 2186083170; locally 7034924:
    \(\frac{KE_2 - KE_1}{t} = v F\)
    \(\frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}} = pdg_{1357} pdg_{4202}\)
  2. 3591237106; locally 9714818:
    \(\frac{E_2 - E_1}{t} = \frac{(KE_2 - KE_1)}{t} - F v\)
    \(\frac{pdg_{4550} - pg_{5579}}{pdg_{1467}} = - pdg_{1357} pdg_{4202} + \frac{pdg_{1352} - pdg_{1955}}{pdg_{1467}}\)
  1. 1772416655; locally 5300304:
    \(\frac{E_2 - E_1}{t} = v F - F v\)
    \(\frac{pdg_{4550} - pdg_{5579}}{pdg_{1467}} = 0\)
LHS diff is (pdg5579 - pg5579)/pdg1467 RHS diff is 0 2186083170: dimensions are consistent
3591237106: error for dim with 3591237106
1772416655: inconsistent dimensions
 2186083170: N/A
3591237106: N/A
1772416655: N/A
Physics Derivation Graph: Steps for time invariant force conserves energy

Symbols for this derivation

See also all 227 symbols
symbol ID category latex scope dimension name value Used in derivations references
4550 variable E_2
\(E_2\)		 real
  • length: 2
  • mass: 1
  • time: -2
 energy 2
  • str_note
9
1955 variable KE_1
\(KE_1\)		 real
  • length: 2
  • mass: 1
  • time: -2
 kinetic energy 17
1352 variable KE_2
\(KE_2\)		 real
  • length: 2
  • mass: 1
  • time: -2
 kinetic energy 14
4770 variable v_2
\(v_2\)		 real
  • length: 1
  • time: -1
 velocity 2 14
1467 variable t
\(t\)		 ['real']
  • time: 1
 time 121
4930 variable PE
\(PE\)		 ['real']
  • length: 2
  • mass: 1
  • time: -2
 potential energy 4
4929 variable KE
\(KE\)		 ['real']
  • length: 2
  • mass: 1
  • time: -2
 kinetic energy 7
9140 variable a
\(a\)		 ['real']
  • length: 1
  • time: -2
 acceleration 31
1357 variable v
\(v\)		 ['real']
  • length: 1
  • time: -1
 velocity 83
5156 variable m
\(m\)		 ['real']
  • mass: 1
 mass 69
4931 variable E
\(E\)		 ['real']
  • length: 2
  • mass: 1
  • time: -2
 energy 10
5467 variable x_2
\(x_2\)		 real
  • length: 1
 position 2
  • str_note
5
4037 variable x
\(x\)		 ['real']
  • length: 1
 position 53
1452 variable y
\(y\)		 ['real'] dimensionless 13
3852 variable x_1
\(x_1\)		 real
  • length: 1
 position 1
  • str_note
5
2473 variable v_1
\(v_1\)		 real
  • length: 1
  • time: -1
 velocity 1 14
8849 variable PE_2
\(PE_2\)		 real
  • length: 2
  • mass: 1
  • time: -2
 potential energy 11
4202 variable F
\(F\)		 ['real']
  • length: 1
  • mass: 1
  • time: -2
 force 21
5579 variable E_1
\(E_1\)		 real
  • length: 2
  • mass: 1
  • time: -2
 energy 1
  • str_note
9
1464 variable x
\(x\)		 ['real'] dimensionless 140
4093 variable PE_1
\(PE_1\)		 real
  • length: 2
  • mass: 1
  • time: -2
 kinetic energy 12
MESSAGE: