PERBAIKAN :)

1. DIKETAHUI :

Massa : 3 kg

Ketinggian : 100 m

Waktu (sekon)	Ketinggian (meter)	Kecepatan m/s)	Energi Potensial (Joule)	Energi Kinetik (Joule)	Energi Mekanik
					(Joule)
0	100	0	2940	0	2940
0,1	99,951	0,98	2938,5594	1,4406	2940
0,2	99,804	1,96	2934,2376	5,7624	2940
0,3	99,559	2,94	2927,0346	12,9654	2940
0,4	99,216	3,92	2916,9504	23,0496	2940
0,5	98,775	4,9	2903,985	36,015	2940
0,6	98,236	5,88	2888,1384	51,8616	2940
0,7	97,599	6,86	2869,4106	70,5894	2940
0,8	96,864	7,84	2847,8016	92,1984	2940
0,9	96,031	8,82	2823,3114	116,6886	2940
1	95,1	9,8	2795,94	144,06	2940
1,1	94,071	10,78	2765,6874	174,3126	2940
1,2	92,944	11,76	2732,5536	207,4464	2940
1,3	91,719	12,74	2696,5386	243,4614	2940
1,4	90,396	13,72	2657,6424	282,3576	2940
1,5	88,975	14,7	2615,865	324,135	2940
1,6	87,456	15,68	2571,2064	368,7936	2940
1,7	85,839	16,66	2523,6666	416,3334	2940
1,8	84,124	17,64	2473,2456	466,7544	2940
1,9	82,311	18,62	2419,9434	520,0566	2940
2	80,4	19,6	2363,76	576,24	2940

Waktu (sekon)	Ketinggian (meter)	Kecepatan m/s)	Energi Potensial (Joule)	Energi Kinetik (Joule)	Energi Mekanik
					(Joule)
2,1	78,391	20,58	2304,6954	635,3046	2940
2,2	76,284	21,56	2242,7496	697,2504	2940
2,3	74,079	22,54	2177,9226	762,0774	2940
2,4	71,776	23,52	2110,2144	829,7856	2940
2,5	69,375	24,5	2039,625	900,375	2940
2,6	66,876	25,48	1966,1544	973,8456	2940
2,7	64,279	26,46	1889,8026	1050,1974	2940
2,8	61,584	27,44	1810,5696	1129,4304	2940
2,9	58,791	28,42	1728,4554	1211,5446	2940
3	55,9	29,4	1643,46	1296,54	2940
3,1	52,911	30,38	1555,5834	1384,4166	2940
3,2	49,824	31,36	1464,8256	1475,1744	2940
3,3	46,639	32,34	1371,1866	1568,8134	2940
3,4	43,356	33,32	1274,6664	1665,3336	2940
3,5	39,975	34,3	1175,265	1764,735	2940
3,6	36,496	35,28	1072,9824	1867,0176	2940
3,7	32,919	36,26	967,8186	1972,1814	2940
3,8	29,244	37,24	859,7736	2080,2264	2940
3,9	25,471	38,22	748,8474	2191,1526	2940
4	21,6	39,2	635,04	2304,96	2940
4,1	17,631	40,18	518,3514	2421,6486	2940
4,2	13,564	41,16	398,7816	2541,2184	2940
4,3	9,399	42,14	276,3306	2663,6694	2940
4,4	5,136	43,12	150,9984	2789,0016	2940
4,5	0,775	44,1	22,785	2917,215	2940
4,51	0,33351	44,198	3,268398	2930,194806	2933,463204

2.DIKETAHUI :

s = 100 m

#1 1O M = 10 DAERAH

10 m = 8 m/s

(GLBB) s = ½ (V₀.t +V_t.t)

10 = ½ (8t + 12t)

10 = ½ (20t)

10 = 10t

t = 1 s

20 m = 10 m/s

(GLBB) s = ½ (V₀.t +V_t.t)

20 = ½ (12t + 10t)

20 = ½ (22t)

20 = 11t

t = 1,81 s

20 m = 10 m/s

(GLB) s = v. t

20 = 10t

t = 2s

40 m = 8 m/s

(GLBB) s = ½ (V₀.t +V_t.t)

40 = ½ (10t + 8t)

40 = ½ (18t)

40 = 9t

t = 4,44 s

∑t = 2,5 s + 1 s + 1.81 s + 2 s + 4,44 s = 11,75 s

= 11 + (0,75 x 60)

= 11.45 s

#2 t = 10/8 + 10/12 + 20/10 + 20/10 + 40/8

= 1,25 + 0,83 + 2 + 2 + 5

= 11,083 s

= 11 + (0,083 x 60) = 11.50 s

>>LAURENCIA SINTANI<<

>>XI IA 1 (MAMORU IA ICHI)<<