问题
选择题
Tom was born __ December the first.[ ]
A. in
B. on
C. at
D. during
答案
答案:B
Tom was born __ December the first.[ ]
A. in
B. on
C. at
D. during
答案:B
(5分)某同学在探究“物体所受的重力与其物体质量的关系”实验中,记录表格
如下:
质量 m/kg | 0 0.1 | 0.2 | 0.3 | 0.4 | 0.5 |
重力 G/N | 0.98 | 1.96 | 2.94 | 4.9 |
(1)实验的同学记录时将一个数据丢失,请你补全。
(2)请在右图中做出物体的重力与质量关系图象。
(3)根据图象你得出的结论是:
。