搜题
章节测试答案
学历考试
继续教育
网课答案
网课答案全集
登录
注册
请在
下方输入
要搜索的题目:
搜 索
立 即 搜 题
The work done by a force can be either positive or be negative.
发布时间:
2024-04-24 21:20:50
首页
知道智慧树
推荐参考答案
(
由 搜题小帮手 官方老师解答 )
联系客服
答案:
以下文字与答案无关
提示:有些试题内容 显示不完整,文字错误 或者 答案显示错误等问题,这是由于我们在扫描录入过程中 机器识别错误导致,人工逐条矫正总有遗漏,所以恳请 广大网友理解。
查看参考答案
相关试题
1.
The following can be said about the income and substitution effects of a price increase on the demand for the good whose price rose: 选项: A、The former is always positive and the latter is always negative. B、While the former is always negative, the latter can be either positive or negative. C、Both can be either positive or negative. D、While the latter is always negative, the former can be either positive or negative.
2.
Stereotypes can be either positive or negative.
3.
Stereotype can be either positive or negative.选项: A:对 B:错
4.
A test charge is a point charge of a enough small magnitude and it can be either positive or negative.
5.
The work done by a force can be described by a vector. 选项: A、正确 B、错误
6.
The work done by a force can be described by a vector. 选项: A:正确; B:错误
7.
The work done by static friction can be:选项: A:positive; B:negative; C:zero; D:any of the others
8.
The work done by static friction can be: 选项: A、Positive B、Negative C、Zero D、Any of the others
9.
Moment of truth can be positive or negative.
10.
Moment of truth can be positive or negative.
11.
There must exist a nonelectrostatic force Fn in the source of electromotive force (emf). When a current is flowing through a source from the negative terminal to the positive terminal, Fn can do work W on moving charges. If the word “positive”, “negative”, or “zero” is used to describe W, then W is .
12.
Moment of truth can be positive or negative.选项: A:对 B:错
13.
The covariance: A. must be between -1 and 1. B. must be positive. C. can be positive or negative.
14.
Particles move from concentrated area to less concentrated area under a thermodynamics force. The work done by this force is called ___________
15.
Particles move from concentrated area to less concentrated area under a thermodynamics force. The work done by this force is called ___________
16.
In order to have a negative correlation between two variables, which of the following is most accurate? A. The covariance must be negative. B. Either the covariance or one of the standard deviations must be negative. C. The covariance can never be negative.
17.
该句式是陈腐表达吗? 6. As a coin has two sides, love can be both positive and negative.
18.
If the electric field does positive work on a negative charge as the charge undergoes a displacement from point A to point B within an electric field, then the electrical potential energy ( ) 选项: A、is negative. B、is positive. C、increases. D、decreases. E、electric fields cannot do work.
19.
Power take _____ into consideration besides the amount of work done. 选项: A: time B: distance C: force D: efficiency
20.
The work done by the net force on a body is equal to the amount that the kinetic energy of the body increases. ( )选项: A:对 B:错
21.
Can a force of static friction do work? 选项: A、yes B、no
22.
Compared to the other sources of spending, net exports is 选项: A、large and negative. B、 small and negative. C、 large and positive. D、 small and positive.
用户中心
登录
没有账号?
点我注册
热门标签
美容咨询
青青校园
卷边
景德镇市
品牌机
不可信
躺着
关键在于
公安部
闲情逸趣
登录 - 搜题小帮手
登录
立即注册
已购买搜题包,但忘记账号密码?
登录即同意
《服务协议》
及
《隐私政策》
注册 - 搜题小帮手
确认注册
立即登录
登录即同意
《服务协议》
及
《隐私政策》
购买搜题卡查看答案
购买前请仔细阅读
《购买须知》
体验
30天体验包
¥
5.99
无赠送,体验一下
查看100次答案
推荐
半年基础包
¥
9.99
畅享300次搜题
查看300次答案
随心用
超值包一年
¥
29.99
超值包,一万次搜题
查看10000次答案
月卡
月卡
¥
19.99
30天无限搜题
查看30天答案
请选择支付方式
已有帐号 点我登陆
微信支付
支付宝扫码
请输入您的手机号码:
点击支付即表示同意并接受了
《服务协议》
和
《购买须知》
填写手机号码系统自动为您注册
立即支付
我们不保证100%有您要找的试题及正确答案!请确保接受后再支付!
联系客服
找回账号密码
微信支付
订单号:
1111
遇到问题请
联系客服
恭喜您,购买搜题卡成功
系统为您生成的账号密码如下:
账号
密码
重要提示:
请勿将账号共享给其他人使用,违者账号将被封禁。
保存账号查看答案
请不要关闭本页面,支付完成后请点击【支付完成】按钮
支付完成
取消支付
遇到问题请联系
在线客服