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A person on a roof throws one ball downward and an identical ball upward at the same speed. The ball thrown downward hits the ground with 140 J of kinetic energy. Ignoring air friction, with how much kinetic
answered
May 29, 2021
Physics
high-school
4
votes
181k
views
In ΔVWX, the measure of ∠X=90°, XV = 81 feet, and WX = 15 feet. Find the measure of ∠V to the nearest tenth of a degree.
answered
Feb 25, 2021
Mathematics
college
1
vote
83.6k
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