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Why are some electromagnetic waves harmful to you but others are not?
answered
Dec 26, 2017
Physics
middle-school
4
votes
163k
views
What's the value of 7 in 703,890
answered
May 29, 2017
Mathematics
high-school
4
votes
56.0k
views
Ain a paper airplane contest Amanda plane flew 19 ft farther than Darren's plane flew twice as are as Rachel's plane. Rachel's plane flew 20 ft . How far did Amanda's plane fly?
answered
Feb 28, 2017
Mathematics
high-school
4
votes
194k
views
A 75 force is applied to the side of a crate resting on a level floor. The crate has a mass of 25kg. If the coefficient of static friction is .15, is the 75 N force enough to make the crate accelerate?
answered
Sep 7, 2015
Physics
high-school
5
votes
55.7k
views
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