October 2018 1 229 Report
Dua peluru identik di tembakkan dari tempat yang sama dan pada sudut yang sama pula. Kelajuan B dua kali kelajuan A. Jarak jangkauan peluru adalah...
A. r_A = r_B
B. r_B = \sqrt{2r_A}
C. r_B = 2r_A
D. r_B = 4r_A
E. r_A = 2r_B
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