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q=32j
g=10m/s2
ask: m
answer:
PE=mxgxh
32=mx10x2
32=20m
m=32/20
m=1 5/8
Ep = 32 J
g = 10 m/s²
Dit : m ?
Ep = m.g.h
m = Ep / g.h
= 32 J / 10 m/s².2 m
= 32 J / 20 m/s².m
= 1,6 kg
maaf ya kalau salah