中学生网络课堂
的速度做匀速运动，刹车后的加速度为
，那么刹车后本课配套习题挑战模式2/5
单选题
难度系数：
2.在平直公路上，一汽车的速度为
，从某时刻开始刹车，在阻力作用下，汽车以
的加速度运动，问刹车后
末车离开始刹车点多远？
，从某时刻开始刹车，在阻力作用下，汽车以的加速度运动，问刹车后末车离开始刹车点多远？ A:  |
| B: 16m |
| C: 32m |
| D: 42.25m |
一次做对，真牛！
+5奖励规则>
- 提示1：IOaxguWunumZhei/kOWKqOaXtumXtA==
- 提示2：IDxpbWcgd2lkdGg9NjUgaGVpZ2h0PTIyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkMvNjkvckJBQ0UxTmd5dW5Tb19jSEFBQUNHcnlsTjc0MDA5LnBuZyI+
- 答案：QQ==
6K6+6L2m5a6e6ZmF6L+Q5Yqo5pe26Ze05Li6PGltZyB3aWR0aD0xMCBoZWlnaHQ9MTYgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yQy82OS9yQkFDRTFOZ3l1cVFvWUo5QUFBQkFSOXU1OVU2NzgucG5nIj7vvIw8aW1nIHdpZHRoPTM3IGhlaWdodD0yMiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJDLzY5L3JCQUNFMU5neXVyQUx1TlVBQUFCa3JyaFBtTTY0Ni5wbmciPu+8jDxpbWcgd2lkdGg9NjYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkMvNjkvckJBQ0UxTmd5dXJDOV83V0FBQUNWZHFQbmVjNzM5LnBuZyI+77yM55SxPGltZyB3aWR0aD02NSBoZWlnaHQ9MjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yQy82OS9yQkFDRTFOZ3l1blNvX2NIQUFBQ0dyeWxONzQwMDkucG5nIj7nn6XvvIzov5Dliqjml7bpl7Q8aW1nIHdpZHRoPTExOCBoZWlnaHQ9Mzggc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9GMC82MC9yQkFDRkZOZ3l1cXhsMENtQUFBREpVczhiVG83NTUucG5nIj7vvIw8YnI+5omA5Lul6L2m55qE5L2N56e7PGltZyB3aWR0aD0xMzggaGVpZ2h0PTM4IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjAvNjAvckJBQ0ZGTmd5dXFCbEtrZEFBQUQxRWVxMzRvMDA4LnBuZyI+
本课配套习题挑战模式3/5
单选题
难度系数：
3.
一质点从静止开始以
的加速度匀加速运动，经
后做匀速运动，最后
的时间质点做匀减速运动直至静止，则质点匀速运动时的速度是多大？减速运动时的加速度是多大？
一质点从静止开始以的加速度匀加速运动，经后做匀速运动，最后的时间质点做匀减速运动直至静止，则质点匀速运动时的速度是多大？减速运动时的加速度是多大？ A: 3m/s  |
| B: 3m/s |
| C: 5m/s
|
| D: 5m/s
|
一次做对，真牛！
+5奖励规则>
- 提示1：IOeUsTxpbWcgd2lkdGg9NjIgaGVpZ2h0PTIyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjAvNjAvckJBQ0ZGTmd5dTZUQjRycUFBQUI5U1kycjVjNTQwLnBuZyI+
- 提示2：IDxpbWcgd2lkdGg9MTc0IGhlaWdodD0zOCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJDLzY5L3JCQUNFMU5neXU3eG56bGFBQUFFRjk0VV9TMDIzOS5wbmciPg==
- 答案：Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.一次一辆卡车在市区路面紧急刹车后，经
停止，量得刹车痕迹
，问这车刹车前速度？
停止，量得刹车痕迹，问这车刹车前速度？ | A: 10Km/h |
| B: 20Km/h |
| C: 40Km/h |
| D: 60Km/h |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWBmuWMgOWHj+mAn+i/kOWKqA==
- 提示2：IOW5s+Wdh+mAn+W6pjxpbWcgd2lkdGg9NjIgaGVpZ2h0PTM4IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkMvNkEvckJBQ0UxTmd5dk9BRlNUOEFBQUNNYlA1TWpJNzYzLnBuZyI+
- 提示3：IOWPiOWboOS4ujxpbWcgd2lkdGg9MzYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRjAvNjAvckJBQ0ZGTmd5dk9pMVpDT0FBQUJrSVVxdjdnNDM4LnBuZyI+
- 答案：Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.有一个做匀加速直线运动的物体从末到
末的位移为
，从末至末的位移为
，求运动物体的加速度为多大初速度为多大
末到末的位移为，从末至末的位移为，求运动物体的加速度为多大初速度为多大 | A: a=1m/s2 , v0=1m/s |
| B: a=1m/s2 , v0=2m/s |
| C: a=2m/s2 , v0=1m/s |
| D: a=2m/s2 , v0=2m/s |
一次做对，真牛！
+5奖励规则>
- 提示1：IOeUsemimOebruefpe+8mjxpbWcgd2lkdGg9ODQgaGVpZ2h0PTIyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjAvNjAvckJBQ0ZGTmd5dm1DbHBHb0FBQUNhY2VMV1lvNjI2LnBuZyI+77yMPGltZyB3aWR0aD04NiBoZWlnaHQ9MjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yQy82QS9yQkFDRTFOZ3l2bVRnZ0tXQUFBQ2FuT1R2VE0wOTIucG5nIj4=
- 答案：Qg==
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
