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Two cars have collided head on. one car was traveling at a speed of 55 mph and the other at 35 mph the total speed of impact would be
answered
Jan 12, 2019
Physics
high-school
3
votes
172k
views
Which best describes secondary succession? the quick change in an area’s species before a disturbance the quick change in an area’s species after a disturbance the gradual change in an area’s species after
answered
Dec 23, 2018
Biology
college
1
vote
187k
views
An investigation using a fan and a wooden car is shown. Which of the following actions will most likely increase the distance the car will travel? A. increase the speed of the fan B. add mass to the car
answered
Dec 19, 2018
Physics
middle-school
0
votes
13.1k
views
Describe three clean coal technologies and how they can mitigate the environmental impacts of coal. Explain how they work and provide evidence of the use of clean coal technology today?
answered
Oct 3, 2018
History
high-school
4
votes
95.6k
views
In 36 years Adam's age will be 2.5 times his current age. How many years old is he now
answered
Jun 28, 2018
Mathematics
middle-school
5
votes
90.9k
views
Who was below the king in authority in Spain's government of the settlements?
answered
Feb 16, 2018
History
middle-school
6
votes
33.7k
views
When the temperature is constant, the volume of a gas will decrease as the pressure decreases. true or false?
answered
Sep 22, 2017
Physics
high-school
3
votes
6.9k
views
How do I find the constant of proportionality?
answered
Jun 10, 2017
Mathematics
middle-school
2
votes
53.9k
views
Explain how to do 5n+3+4n=30
answered
Jun 27, 2015
Mathematics
middle-school
1
vote
17.2k
views
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