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A father racing his son has half the kinetic energy of the son, who has half the mass of the father.The father speeds up by 1.0 m/s and then has the same kinetic energy as the son.What are the original
asked
Oct 12, 2020
Physics
high-school
1
answer
5
votes
110k
views
What genetic change allows organisms to survive natural selection in their environment
asked
Jan 17, 2020
Biology
middle-school
2
answers
1
vote
208k
views
This type of reproduction does not involve gametes and produces an offspring identical to its parent: _______________________________.
asked
Nov 1, 2019
Biology
high-school
2
answers
1
vote
37.3k
views
The Pythagorean Theorem
asked
Sep 14, 2019
Mathematics
college
2
answers
2
votes
174k
views
Define the term macroeconomic ? a. the study of a large scale economic phenomenon b combined economic c. the study of small economics d. the study of all economics
asked
Sep 3, 2019
History
middle-school
1
answer
2
votes
116k
views
Which statement comparing |−12| and |8| is true? |−12|>|8| |−12|=|8| |−12|<|8|
asked
May 25, 2019
Mathematics
high-school
2
answers
3
votes
129k
views
F(1) = 4, f(n) = (−9) · f(n − 1) + 18
asked
Mar 6, 2019
Mathematics
high-school
1
answer
1
vote
29.2k
views
in what ways did intelligence and language enable Homo sapiens to create traditions of reflection about the relationship between humans and the natural world
asked
Dec 10, 2018
Advanced Placement (AP)
college
1
answer
0
votes
77.7k
views
A bill is passed by both the House and the senate. The bill is then submitted to the President. Which is not an option for the President?
asked
Sep 25, 2018
Social Studies
high-school
1
answer
5
votes
45.2k
views
List the different parts of a credit report. Thanks in advance
asked
Aug 25, 2018
Mathematics
high-school
1
answer
3
votes
166k
views
Which part of the brain is associated with ten of the 12 pairs of cranial nerves?
asked
Jul 7, 2018
Biology
high-school
1
answer
4
votes
87.8k
views
In what ways do enzymes control the cell cycle?
asked
Mar 26, 2018
Biology
high-school
1
answer
0
votes
99.6k
views
True or false Rocks can change shape and composition over time.
asked
Feb 14, 2018
Physics
college
2
answers
1
vote
50.0k
views
Which statement best summarizes why people were motivated to take advantage of the Homestead Act?
asked
Jan 15, 2018
History
high-school
2
answers
3
votes
139k
views
In what ways does Dr. Rank provide a contrast to Torvald in Henrik Ibsen’s A Doll’s House?
asked
Jul 26, 2017
English
high-school
1
answer
4
votes
171k
views
Today, the sum of the ages of Bea and her sister is 18. What would be the sum of their ages next year?
asked
Jul 3, 2017
Mathematics
high-school
2
answers
4
votes
54.8k
views
Why is it important to get a medical checkup prior to beginning a fitness program? A. To check for preexisting conditions that would make some exercises dangerous B. To decide upon the type training needed
asked
Jan 16, 2015
Health
high-school
1
answer
5
votes
178k
views
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