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Four balls are dropped from a platform, 20 meters high. Which ball will experience the GREATEST change in kinetic energy, from platform to ground? 10 kg 20 kg 30 kg 40 kg
answered
May 25, 2019
Physics
middle-school
5
votes
136k
views
Am I correct I think I found my answer but I am not sure ??
answered
Mar 19, 2019
Mathematics
middle-school
4
votes
94.2k
views
Question 1 of 4 Which was one of the roles of farmers in ancient Egypt? A. help the pharaoh govern Egypt B. keep records for the bureaucracy C. Work as laborers on the pharaoh's building projects D. instruct
answered
Feb 20, 2019
Social Studies
high-school
2
votes
172k
views
1. Which of the following events is an example of weather? (4 points) It is cloudy today in Orlando. It rains a lot in Miami. It is usually cold in Alaska. The sun shines a lot in Colorado.
answered
Dec 6, 2018
Chemistry
middle-school
7
votes
78.7k
views
Which of the following is not an example of how railroads affected the cattle industry? A. Transportation costs grew more expensive. B. Refrigerated cars made it easier to move products. C. Cattle could
answered
Jun 19, 2018
History
high-school
2
votes
109k
views
Math help? Thank you
answered
Mar 31, 2018
Mathematics
high-school
6
votes
1.9k
views
What events increased colonists anger toward British rules
answered
Mar 8, 2018
History
middle-school
1
vote
227k
views
Two angles have measures of 63°15'47" and 116°44'13". The angles are a. complementary b. supplementary c. neither complementary or supplementary
answered
Aug 30, 2017
Mathematics
high-school
2
votes
127k
views
What is an equation in standard form of an ellipse centered at the origin with vertex (−7, 0) and co-vertex (0, 5)?
answered
Jan 19, 2017
Mathematics
high-school
6
votes
77.6k
views
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