皮皮学，免费搜题
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【多选题】
饼干烘烤的传热方式()
A.
热传导
B.
热对流
C.
热辐射
D.
膨胀阶段
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
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皮皮学刷刷变学霸
举一反三
【简答题】表达式( int ) 2.1416 的值为 。
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【多选题】如图(甲)所示,两根足够长的平行光滑金属导轨固定在水平面内,导轨间距为1.0m,左端连接阻值R=4.0Ω的电阻,匀强磁场磁感应强度B=0.5T、方向垂直导轨所在平面向下。质量m=0.2kg、长度l=1.0m、电阻r=1.0Ω的金属杆置于导轨上,向右运动并与导轨始终保持垂直且接触良好,t=0时对杆施加一平行于导轨方向的外力F,杆运动的v-t图像如图(乙)所示,其余电阻不计、则
A.
t=0时刻,外力F水平向右,大小为0.7N
B.
3s内,流过R的电荷量为3.6C
C.
从t=0开始,金属杆运动距离为5m时电阻R两端的电压为1.6V
D.
在0~3.0s内,外力F大小随时间t变化的关系式是F=0.1+0.1t(N)
查看完整题目与答案
【单选题】表达式( int ) 2.1416 的值为 。
A.
2
B.
2.1
C.
0
D.
3
查看完整题目与答案
【单选题】表达式(int)2.1416的值时
A.
2
B.
2.1
C.
3
D.
0
查看完整题目与答案
【单选题】According to the interview, controversy over the book 'A Million Little Pieces' lies in its
A.
authenticity.
B.
originality.
C.
content.
D.
genre.
查看完整题目与答案
【单选题】According to the book reviewer, what is the practical situation of the structure of companies?
A.
Hierarchy is not the only way.
B.
Many companies have found other alternatives.
C.
It will take a long time to change the existing structure.
D.
Heterarchy seems to be better than responsibly autonomy.
查看完整题目与答案
【简答题】一质量m=3.0kg，长L=1.0m的匀质棒放在桌面上，可绕通过其中心的竖直固定轴转动，t=0 s时棒的角速度【图片】，由于受到恒定的阻力矩作用，t=10 s时，棒停止运动，则棒所受到的阻力矩大小为 【图片】.（结果用小数表示）
查看完整题目与答案
【简答题】如图所示,长为L=0.2 m、电阻为r=0.3 Ω、质量为m=0.1 kg的金属棒CD垂直放在位于水平面上的两条平行光滑金属导轨上,两导轨间距也为L,棒与导轨接触良好,导轨电阻不计,导轨左端接有R=0.5 Ω的电阻,量程为0~3.0 A的电流表串联在一条导轨上,量程为0~1.0 V的电压表接在电阻R的两端,垂直导轨平面的匀强磁场向下穿过平面.现以向右恒定的外力F使金属棒右移,当金属棒以v=2 m/...
查看完整题目与答案
【单选题】According to this introduction, the best way to use this book is______.
A.
to become a good mathematical modeler
B.
to tackle as many mathematical problems as possible
C.
to do the problems given in the book on one's own
D.
to have confidence in constructing mathematical models
查看完整题目与答案
【单选题】What can be inferred from the passage, according to the passage itself?
A.
The book is still a controversial topic.
B.
The book enjoys high popularity among critics.
C.
The book is a fierce attack on racism.
D.
The hook advocates racism by itself.
查看完整题目与答案
相关题目：
【简答题】表达式( int ) 2.1416 的值为 。
查看完整题目与答案
【多选题】如图(甲)所示,两根足够长的平行光滑金属导轨固定在水平面内,导轨间距为1.0m,左端连接阻值R=4.0Ω的电阻,匀强磁场磁感应强度B=0.5T、方向垂直导轨所在平面向下。质量m=0.2kg、长度l=1.0m、电阻r=1.0Ω的金属杆置于导轨上,向右运动并与导轨始终保持垂直且接触良好,t=0时对杆施加一平行于导轨方向的外力F,杆运动的v-t图像如图(乙)所示,其余电阻不计、则
A.
t=0时刻,外力F水平向右,大小为0.7N
B.
3s内,流过R的电荷量为3.6C
C.
从t=0开始,金属杆运动距离为5m时电阻R两端的电压为1.6V
D.
在0~3.0s内,外力F大小随时间t变化的关系式是F=0.1+0.1t(N)
查看完整题目与答案
【单选题】表达式( int ) 2.1416 的值为 。
A.
2
B.
2.1
C.
0
D.
3
查看完整题目与答案
【单选题】表达式(int)2.1416的值时
A.
2
B.
2.1
C.
3
D.
0
查看完整题目与答案
【单选题】According to the interview, controversy over the book 'A Million Little Pieces' lies in its
A.
authenticity.
B.
originality.
C.
content.
D.
genre.
查看完整题目与答案
【单选题】According to the book reviewer, what is the practical situation of the structure of companies?
A.
Hierarchy is not the only way.
B.
Many companies have found other alternatives.
C.
It will take a long time to change the existing structure.
D.
Heterarchy seems to be better than responsibly autonomy.
查看完整题目与答案
【简答题】一质量m=3.0kg，长L=1.0m的匀质棒放在桌面上，可绕通过其中心的竖直固定轴转动，t=0 s时棒的角速度【图片】，由于受到恒定的阻力矩作用，t=10 s时，棒停止运动，则棒所受到的阻力矩大小为 【图片】.（结果用小数表示）
查看完整题目与答案
【简答题】如图所示,长为L=0.2 m、电阻为r=0.3 Ω、质量为m=0.1 kg的金属棒CD垂直放在位于水平面上的两条平行光滑金属导轨上,两导轨间距也为L,棒与导轨接触良好,导轨电阻不计,导轨左端接有R=0.5 Ω的电阻,量程为0~3.0 A的电流表串联在一条导轨上,量程为0~1.0 V的电压表接在电阻R的两端,垂直导轨平面的匀强磁场向下穿过平面.现以向右恒定的外力F使金属棒右移,当金属棒以v=2 m/...
查看完整题目与答案
【单选题】According to this introduction, the best way to use this book is______.
A.
to become a good mathematical modeler
B.
to tackle as many mathematical problems as possible
C.
to do the problems given in the book on one's own
D.
to have confidence in constructing mathematical models
查看完整题目与答案
【单选题】What can be inferred from the passage, according to the passage itself?
A.
The book is still a controversial topic.
B.
The book enjoys high popularity among critics.
C.
The book is a fierce attack on racism.
D.
The hook advocates racism by itself.
查看完整题目与答案