Answer:
896 kJ
Explanation:
KInetic Energy = 1/2 m v^2
= 1/2 (1120)(40^2) = 896 000 J or 896 kJ
Answer:
308657
Explanation:
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The horizontal change between two points on a graph is called the 'run'.
The vertical change between two points is called the 'rise'.
Scientists could investigate this idea by making cathode ray tubes out of different materials to see if the ray was the same.
