Description: For offering the students in group to study the horizontal projectile motion of a body and determine its initial velocity. Details: The board size: 260* 340mm; The ball diameter: 19mm. |
No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
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Damucang Hutong, Xidan, Beijing P.R.C.100032