Momentum and Energy - 题库网 (tiku.one)

标记此题

1#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

04.22: One implication of Ek9:qvkib515fm evu q)instein's theories is that

A. all energy has mass properties.

B. moving particles apparently lose mass.

C. momentum is not conserved in very high-speed collisions.

D. a meter stick moving rapidly perpendicular to its length appears shortened in length.

E. every process is relative.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

06.35: A scientist claims to .9hpn -g-ib w9-3j1o nelhbfxhave perfected a technique in which he can spontaneously convert an electron completely into energy in the laboratory without any other material required. What is the conclusion about thisfp3 -b- ne.9wn i-lojh1 9hgxb claim from our current understanding of physics?

A. This is possible because Einstein’s equation says that mass and energy are equivalent… it is just very difficult to achieve with electrons

B. This is possible and it is done all the time in the high-energy physics labs.

C. The scientist is almost correct… except that in converting the electron to energy, an electron’s anti-particle is produced in the process as well.

D. The scientist is almost correct… except that in converting the electron to energy, a proton is produced in the process as well.

E. This is not possible because charge conservation would be violated.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

08.45: Electron #1 moves with speed 0.30 c wh *tivzrz:07n0c*ih kcere c is the speed of light. Electron #2 moves with speed 0.60*vc iitk0nr:0z* zc7h c. What is the ratio of the kinetic energy of electron #2 to electron #1?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

09.50: What is the magnitude of the linear mom ;05ey -ioil6okg9nj3 f nat.aentum (in units of kg.m/s) of an electron moving in a st n-9jtieaynil0 g k.35fo6ao; raight line if it has

3.2 \times 10^{- 13} J

of kinetic energy?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

13.49: Two electrons move with the magnitude of their lin ykgzp0lb/48 wear momentum having a ratil84zgy 0kpbw /o of 2:1. If the slower electron moves with a speed of

1. 20 \times 10^{8} m / s

, what is the speed of the faster moving electron (in unit of m/s)?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.49: The kinetic energy as- s1*3 jbo+nehijn :*s+bhdsn sociated with an electron is twice its rest energy. At what speed is the electron tr*+o *j ss:ibbj31 n+hn-ndesh aveling(in unit of m/s)?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

18.49: A particle has a total energy of 500 MeV and a lirzv l-py3ps :vir*77 ynear momentum of 300

\frac{M e V}{c}

. What is the mass of the particle?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

10.50: An object of mass m is initiphv dcm u*bg-m06t 8ebz5/-vdally at rest. After this object is accelerated 0p-/vmb8z g-tcud6* vh5bde mto a speed of

2.4 \times 10^{8} m / s

, it collides with and sticks to a second object of mass m at rest. Immediately after
the collision, what is the common speed of the two masses (in unit of m/s)?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

17.49: Two identical particles travel to the right. The particle traveling at dgefatftm+jq:.y 02 y1w- 5zh

2.4 \times 10^{8} m / s

collides with and sticks to the other particle traveling at

1.8 \times 10^{8} m / s

. Which one of the following choices best represents the speed of the resulting object after collision(in unit of m/s)?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

本习题练习全部题目来源于题库网 (https://tiku.one)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力

账号		自动登录	找回密码
密码			立即注册

未使用图片

本次作答已使用