9-mavzu. Xususiy mexanik tebranishlar tekshirish uchun savollar 1

9. Nuqta y=Asin (ωt+φ) tenglamaga bo'ysingan tebranishlar qiladi. Agarda A=4 sm va y(0)=2 sm y’(0)<0 bo'lsa tebranishlarning boshlang'ich fazasi topilsin.

10. Nuqta x=Acos (ωt+φ) tenglama bilan tebranma harakat qiladi. Bunda A=2 sm, ω=π ; φ=rad. 1) Siljish x(t); 2) tezlik v(t); 3) tezlanish a(t) larni grafiklari chizilsin.

Variantlar jadvali

Variant raqami	Masalalar raqami				Variant raqami	Masalalar raqami
1	1	51	101	145	26	26	76	126	170
2	2	52	102	146	27	27	77	127	171
3	3	53	103	147	28	28	78	128	172
4	4	54	104	148	29	29	79	129	173
5	5	55	105	149	30	30	80	130	174
6	6	56	106	150	31	31	81	131	175
7	7	57	107	151	32	32	82	132	176
8	8	58	108	152	33	33	83	133	177
9	9	59	109	153	34	34	84	134	178
10	10	60	110	154	35	35	85	135	179
11	11	61	111	155	36	36	86	136	180
12	12	62	112	156	37	37	87	137	181
13	13	63	113	157	38	38	88	138	182
14	14	64	114	158	39	39	89	139	183
15	15	65	115	159	40	40	90	140	184
16	16	66	116	160	41	41	91	141	185
17	17	67	117	161	42	42	92	142	186
18	18	68	118	162	43	43	93	143	187
19	19	69	119	163	44	44	94	144	188
20	20	70	120	164	45	45	95	122	189
21	21	71	121	165	46	46	96	123	190
22	22	72	122	166	47	47	97	124	191
23	23	73	123	167	48	48	98	125	192
24	24	74	124	168	49	49	99	126	193
25	25	75	125	169	50	50	100	127	194

7. Nuqtaning tebranish tenglamasi x=0.05 cosω(t+τ) ko'rinishda, bunda ω=π τ =0.2 s. Tebranishlar davri T va boshlang'ich fazasi topilsin.