A.物体的加速度为1m/s2 | B.物体在第1个T终了时的瞬时速度是0.6m/s |
C.时间间隔T=1s | D.物体在第1个T内的位移为0.6m |
A.2 : 6 : 5 | B. 2 : 8 : 7 |
C.4 : 12 : 9 | D.2 : 2 : 1 |
A.1∶1∶1 | B.1∶2∶3 |
C.12∶22∶32 | D.1∶3∶5 |
A.1 m/s2 | B.2.25 m/s2 |
C.3 m/s2 | D.4.25 m/s2 |
A.S1:S2 = 1:3, v1:v2 = 1:2 | B.S1:S2 = 1:3, v1:v 2 =" 1:" |
C.S1:S 2 = 1:4, v1:v 2 = 1:2 | D.S1:S 2 = 1:4, v1:v2 =" 1:" |
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