Answer:
A. KE=1/2; B. KE=4; C. KE=24; D. KE=1
Explanation:
A. KE=1/2*1*1²=1/2
B. KE=1/2*2*2²=1*4=4
C. KE=1/2*3*4²=1.5*16=24
D. KE=1/2*8*0.5²=4*0.25=1
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