"", . ( 158-167).
114. , 60 , . : 1) , , 2) . 2 .
115. , , . , , 9,8 .
116. 50 , 25 , . 2 /. .
117. , 30 /. 20 . , ?
118. 2 100 , 25 .
119. , 900 /, . , , , : ? 2) ?
120. 1700 . .
121. , 1 , . 384 000 .
122. 16 . , , .
123. 5 128 . 9 /.
124. , 30 , 15 . ? (59 /)
125. 50 . , , mg, m - .
126. 72 /, 100 . , ?
127. 10 100 . ?
128. 1700 . .
129. 7,79 7,36 /. , .
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130. , ρ.
131. v . .
132. , , R=2∙104 , τ=11,6 .
133. , , = 0.01 mg, H=100 . = 0.01 mg. V R = 0.1 mV. , .
134. x (t), y (t) M m = 5 , O , . , F=-k2mOM, k = 20 1. g = 9.8 / 2. (t=0) , v x 0 = 200 /, . Ox , Oy .
135. , , H=100 . = 0.1 mg, , T = 0.001 mg. , R = 0.05 mg , Vy . , , .
136. M m = 5 O, F=k2mr, k = 20 c 1, r - . M M 0 (a,0), a = 24 , v0 v x 0 = 0, v y 0 = 4 /. M. .
137. , , = 0.001 mg, H=150 . T=mg. , , Vx . , .
138. , c U 0 = 0.5 /, = 0.5 mg, . , R = 0.05 mg , Vy . , , H=150 .
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139. M m = 8 , = 30 (. 39), v0 = 18 /, = 45 x . y . g = 9.8 / 2. x (t), y (t).
.39
140. , U 0 = 0.5 /, = 0.1 mg, . V R=-0,05mV. , , H=150 .
141. . , v0 . g = 9.8 / 2. . v0 .
142. , H=150 , , U 0 = 1500 /. x (t), y (t), , , Vx .
143. x (t), y (t) M m = 8 , O , . , F=-k2mOM, k = 12 c 1. (t=0) 0 = 18 , , v y 0 = 6 /. .
144. m Oxy , x. F=3t2. / . y (x).
145. M m = 8 O, F=k2mr, k = 12 c 1, r - . g = 9.8 / 2. (t=0) 0 = 20 , , v y 0 = 50 /. Ox , Oy . x (t), y (t) y (x) M.
146. m Oxy , (. . 39). F=4t3. V0=5 / . x (t), y (t) y = y (x).
147. M m = 20 , = 60 (. . 39), v0 = 2 /, = 30 x . y . g = 9.8 / 2. x (t), y (t).
148. = 60 . , v0. 30. g = 9.8 / 2. . v0 .
149. x (t), y (t) M m = 6 , O , . , F=-k2mOM, k = 8 c 1. g = 9.8 / 2. (t=0) 0 = 24 , Vx0=0, 0 = 40 , Vy0=0. Ox , Oy .
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150. M m = 4 O, F=k2mr, k = 10 c 1, r - . g = 9.8 / 2. (t=0) 0 = 2 , v 0 = 4 /, . Ox , Oy . x (t), y (t) y (x) M.
151. m V0=5 /. h=100 , , /. , . , , Rx = 0.01 mVx, Vx . , , .
152. , M=100 10 F=5000 H, (). . . .
153. M m = 28 , = 45 (. . 39), v0 = 34 /, = 30 x . y . g = 9.8 / 2. x (t), y (t).
154. , , p = 0.01 mg, H=100 . = 0.01 mg. , R = 0.01 mVx, Vx . y (x) , .
155. = 42 . , v0 . = 35 v0. g = 9.8 / 2. .
156. , , , , . . v0 = 600 /. g = 9.8 / 2. .
157. , . = 38. v0 = 980 /. g = 9.8 / 2. .
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158*. , . g ,
159*. h . 0,3 ? . , .
160*. m F = 1.1 mg . : Rx = 0.1 m , Vx . . x (t), y (t), /.
161*. M m = 8 F1=-k2mO1M, F2=-k2mO2M, k = 20 c 1, O 1 ( a,0) O 2 (a,0), a = 24 . A 0 (2 a,0) Vx0=0, v 0 = 18 /. x (t), y (t) y (x) M. , Ox, . .
162*. M m = 2 F1=-k2mO1M, F2=-k2mO2M, k = 120 c 1, O 1 ( a,0) O 2 (a,0), = 12 . g = 9.8 / 2. A 0 (2 a,0) Vx0=0, v 0 = 12 /. Ox , Oy . x (t), y (t) y (x) M. , Ox, .
163*. M m , F = 0.1 mg, R = 0.1 mV, V , Q = 2 m v x, Vx . y, (t=0) , V0=5 /.
164*. m H=500 V0=7 /, . , /. V r . .
165*. m, , V0=40 /. , u 0 = 0.5 /, . , , Rx = 0.01 mVrx, Vrx . , , Ry = 0.1 m , Vy . x (t), y (t) .
166*. M m , F = 0.2 mg, R = 0.1 mV, V , Q=2mVx, Vx . x, (t=0) , V0=5 /.
167*. m V0=5 /. h=100 , /. x (t), y (t). , , R = 0.01 mVx, Vx .
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