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tankster tankster
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Posts: 851
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7 years ago
An object of mass 4 kg is thrown vertically upwards from ground level with an initial speed of 20 m/s. Ignore friction and use g = 10 m/s2. What is the kinetic energy of the object just before it hits the ground?
A) 800 J
B) 400 J
C) 0 J
D) 100 J
E) 200 J
Textbook 
Physics

Physics


Edition: 4th
Author:
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mtown88mtown88
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Posts: 876
7 years ago
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tankster Author
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7 years ago
You make an excellent tutor!
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Yesterday
this is exactly what I needed
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2 hours ago
Good timing, thanks!
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