BÀI tập áp DỤNG vật lí phần chuyển động cơ
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BI TP P DNG
Bi 1.
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Bi 2. 3"&';+<!='>
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Bi 3. &2DCE
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Bi 4. EHI&2&'(
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Bi 5. 3""
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Bi 7. 3"K8 ;8""
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Bi 10. "+*&2&'(KX
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2,25 km
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Bi 11. JQ
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9.:
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d 383140 km=
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Bi 12. 0+5
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#
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Bi 13. &2&'(
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#
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Bi 14. 0
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Bi 15. 0+5g!$+5WG0&2&'(
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#
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Bi 16. 0
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Bi 17. 0+<50J!$+<
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Bi 18. 0
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Bi 19. 5!Je"50G
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Bi 20. &'&<0+<50`M!$+<50L
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# # #
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Bi 116. &<*Q+<N<&2"(
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Bi 117. *OG"EG0i&2(*"G
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Bi 118. "0&2&'(
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20 s
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s 560 m=
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Bi 119. Q(&2"(KX
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s 84 m=
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Bi 120. @"0&2&'(
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#72 km h
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s 50 m=
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Bi 121. f**OGQ(+C<+0><!jC
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Bi 122. "&2&'(
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16 s
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s 384 m=
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Bi 123. "0&2&'(
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200 m
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Bi 124. "0&2&'(
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84 m
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9.:"#
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Bi 125. 5 C"'EG& 5"&2&'(*"
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9.:
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t 80 s=
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Bi 126. "&2&'(
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100 s
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9.:"#
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2
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s 1500 m=
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Bi 127. "&2&'(
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#72 km
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50 m
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9.:
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#
2
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Bi 128. "EG&2&'(&
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37,5 m
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20 s
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9.:
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s 244,7 m=
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Bi 129. K8 i*X!AD"&
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9.:"#
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AB
t 2 s=
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AB OA
s 20 m , s 16 m= =
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Bi 130. *XD"*(`M!
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#
C B D
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9.:"#
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AB
t 1,6 s=
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Bi 131. *X6"K150
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AB 36 m=
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BC 28 m=
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9.:
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s 36 m=
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Bi 132. >86\"5">)"5 "& 5"+2
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45 s
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75 m
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9.:
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#
2
a 0,16 m s» -
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Bi 133. >86\"5">)"5 "& 5"
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4 s
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10 s
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144,5 m
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9.:
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#
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Bi 134. 5 ]
4
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10 m
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1,7 s
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1,82 s
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# # # # #
2
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a v 6,07 m s ; a 0,22 m s b t 2,162 s c 83,748 m= = - =
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Bi 135. 95 ]GKl5
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10 m
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2,1 s
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9.:
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10
t 17,7 s=
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Bi 136. 9G Kl55
9
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10 m
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4 s
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#
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Bi 137. >D"65 "'EG& 5
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20 s
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t 38,7 s=
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Bi 138. >86\"B5 *"EG!$5"
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9.:
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( )
n
t t n n 1 , s= - -
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Bi 139. &'"EG&2"("+0><
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1 m
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# #
1
2 2
a t s b t s s 1 s
a a
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Bi 140. &'*OG"EG+0><& 1
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9.:
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t 2 s=
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Bi 141. &'*OG"EG+0><& 1
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9.:
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t 3 s=
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