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A lion accelerates from rest at a rate of 4.2 m/s. How far has the lion gone after 4 seconds?
answered
Mar 12, 2019
Physics
middle-school
3
votes
50.4k
views
Which of the following refers to the change in wavelength that occurs when an object moves toward or away from a source? A) Doppler effect B) Chromatic aberration C) Spectroscopy D) Wave theory of light
answered
Nov 4, 2018
Physics
high-school
1
vote
202k
views
Which of the following statements is true about the plight of Palestinian refugees living in camps in neighboring Arab countries?
answered
Jul 27, 2018
History
high-school
1
vote
57.4k
views
The dividing ___ between upper and lower Egypt is the delta
answered
Mar 26, 2018
History
high-school
3
votes
208k
views
Does −5(z+1)=−2z+10 have one solution, no solution, or infinite solutions
answered
Mar 19, 2018
Mathematics
middle-school
2
votes
179k
views
Maya leaves her house at time zero and drives to the store, which is 5 blocks away, at a speed of 1 block per minute. Then she stopped and went into the store for 5 minutes. Then she drove home at a speed
answered
Jan 15, 2018
Mathematics
middle-school
4
votes
172k
views
A book regularly sells for 28. If the is on sale for 20% off how much is the sales price of the book
answered
Sep 24, 2017
Mathematics
middle-school
3
votes
89.0k
views
Why might scientists be interested in making transgenic organisms?
answered
Aug 28, 2017
Biology
high-school
3
votes
229k
views
When farmers’ incomes fell due to low prices in the 1920s, they
answered
Aug 11, 2017
History
high-school
7
votes
142k
views
How did progressive reformers change local and state government?
answered
May 8, 2017
History
high-school
0
votes
23.0k
views
What physical process could geographers track with an arrow on a flow line thematic map
answered
Nov 13, 2016
Geography
high-school
7
votes
94.3k
views
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