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The current in an electron beam in a cathode ray tube is 7.0 X 10^-5 A. A beam of electrons is aimed at a screen. How much charge hits the screen in 5.0S? A- 2.8X10^3 C B-5.6X10^-2 C C-3.5X10^-4 C D-5.
answered
Jan 9, 2019
Physics
high-school
6
votes
208k
views
Buffers resist change in pH in a system when? a) glucose (C6H12O6) is added to the system. b) hydrogen chloride (HCl) is added to the system. c) sodium chloride (NaCl) is added to the system. d) sodium
answered
Jan 6, 2019
Chemistry
middle-school
1
vote
27.1k
views
Which of these statements concerning serfs in the feudal era is CORRECT? A) They had more rights than peasants. B) Many fought in service of their knights. C) Some saved enough money to move to other lands.
answered
Oct 11, 2018
Social Studies
high-school
6
votes
58.9k
views
Which statement is true about the Truman Doctrine? A. It offered financial aid to all the Axis nations to rebuild after World War II. B. It was a policy of helping any nation threatened by communism. C.
answered
Sep 18, 2018
History
middle-school
1
vote
110k
views
A bottle of white wine at room temperature (68°f) is placed in a refrigerator at 4 p.m. its temperature after t hr is changing at the rate of −18e−0.6t °f/hour. by how many degrees will the temperature
answered
Jul 20, 2018
Mathematics
high-school
4
votes
83.8k
views
Choose three women who have had an important historical influence. Queen Elizabeth I Margaret Thatcher Mother Superior Angela Merkel Louise Thatcher
answered
Mar 10, 2018
History
high-school
3
votes
205k
views
5.6×10⁴ in standard notation
answered
Feb 16, 2018
Mathematics
middle-school
3
votes
128k
views
In 1823, the what Act emerged, stating among other things that Europeans should not interfere with American nations.
answered
Dec 8, 2017
History
high-school
1
vote
195k
views
Alec is trying to find the surface area of a shoe box. What unit of measure will he use?
answered
Oct 13, 2017
Mathematics
high-school
1
vote
20.3k
views
if you wanted to know how big a tiger was what measurement would you use a. candela,mole b.meter,second c. kilogram,ampere d. meter,kilogram
answered
Sep 9, 2017
Physics
high-school
4
votes
169k
views
To understand the client requirements, business processes, company standards, the specific systems IT environment as well as approach that will be used is the main goal of- a. Project team creation b.
answered
Feb 20, 2017
Business
high-school
3
votes
19.5k
views
A consumer uses goods and services to ______. A. Make products using fair trade B. Earn money by selling them C. Satisfy economic wants
answered
Nov 21, 2016
Social Studies
high-school
3
votes
96.2k
views
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