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Consider a free particle of mass m moving inone dimension so that its Hamiltonian is Show that the eigenvalues of H aretwo-fold degenerate, and that the degeneracy can be removed byconsidering the simultaneous
answered
Sep 3, 2021
Physics
college
3
votes
92.5k
views
What sets Shakespeare apart from all other famous poets and writers of world literature, and how is this seen as a fulfillment of Ben Jonson’s prophecy?
answered
Aug 25, 2021
English
middle-school
5
votes
195k
views
Sydney was given 4 one thousand dollar bills, 2 one hundred dollar bills, 9 one dollar bills and 8 dimes, 3 pennies. Jacob was given 3 one thousand dollar bills, 9 one hundred dollar bills, 8 ten dollar
answered
Aug 24, 2021
Mathematics
high-school
7
votes
118k
views
PLEASE HELP Which of these decreased during the Second Industrial Revolution? A.) Access to raw materials B.) Urban Population C.) Imported goods D.) Domestic Travel
answered
Jul 18, 2021
History
middle-school
4
votes
98.5k
views
PLEASE HELP MEH ON THIS ASAP!!!!
answered
May 9, 2021
Mathematics
college
4
votes
3.3k
views
Can u help me plz now
answered
May 4, 2021
Mathematics
college
6
votes
26.1k
views
Estimate:________ 74,529 - 38453
answered
Apr 21, 2021
Mathematics
middle-school
3
votes
62.0k
views
4/6 - 3/6 = ? I'm horrible at math like seriously??? 20 points because I need help ASAP THIS IS DUE IN 30 MINUTES!! AND I GOT 3 MORE PAGES!!!
answered
Apr 15, 2021
Mathematics
high-school
4
votes
11.7k
views
Reese can run 10 meter in 5 seconds.What is her speed?
answered
Mar 31, 2021
Physics
high-school
1
vote
157k
views
Make a conjecture. What relationship exists between the radius and tangent?
answered
Mar 22, 2021
Mathematics
high-school
3
votes
210k
views
Okay I’m reading this poem cloudy days . What type of incentive would Baca have received for writing a poem about his imprisonment?
answered
Dec 26, 2020
English
middle-school
1
vote
161k
views
40 POINTS!!! Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 × 10^12 miles. Suppose a star is 3.2 × 10^2 light-years
answered
May 28, 2020
Mathematics
middle-school
6
votes
109k
views
On July 4, 2007, Joey Chestnut nearly ate 70 hot dogs and buns in 12 minutes. What is the best way to rewrite this sentence? A. In 12 minutes, Joey Chestnut nearly ate 70 hot dogs and buns on July 4, 2007.
answered
Jul 14, 2019
English
middle-school
2
votes
136k
views
Caleb needs to water his rectangular garden. The garden measures 5.76 meters by 4.45 meters. What is the area of the garden?
answered
Jun 18, 2019
Mathematics
high-school
2
votes
62.7k
views
Which technique is most appropriate to use to solve each equation? Drag the name of the technique into the box to match each equation. x² + 4x = 15 2x(x−3)=0 A. square root property B. zero product property
answered
May 15, 2019
Mathematics
high-school
4
votes
31.0k
views
What was the significance of the Soviet Union’s invasion of Korea during World War II? China joined the war to provide support in the Pacific Theater. The Japanese surrendered out of fear of the Soviet
answered
Apr 23, 2019
History
middle-school
7
votes
161k
views
1. Why are two thick cotton sheets warmer than one single blanket
answered
Apr 15, 2019
Biology
middle-school
6
votes
179k
views
Loren made 20 ounces of a snack mix that was 2/5 peanuts, 25% raisins, and 4 ounces of chocolate chips. The rest was granola. How many ounces of granola were in Loren’s snack mix?
answered
Jan 25, 2019
Mathematics
middle-school
7
votes
25.9k
views
Lee earned some money from a summer job he saved 1/4 of the money and spent 1/3 of the rest on a t-shirt he then spent the remaining money on some CDs what fraction of the money was spent on CDs show your
answered
Nov 26, 2018
Mathematics
middle-school
6
votes
217k
views
The risk of dying from smoking-related causes drops notably within just a few years of cessation, even for longtime smokers, so it is worth trying to stop smoking. What does cessation mean?
answered
Jan 18, 2018
English
high-school
5
votes
107k
views
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