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Ek=16kj=16000 j
massa=20 kg
jwb
ek=1/2×m×v²
16000=1/2×20×v²
16000=10v²
16000/10=v²
1600=v²
akar 1600= 40 =v
m = 20 kg
- Ditanya : v
- Jawab :
Ek = 1/2 × m × v²
16000 = 1/2 × 20 ×v²
16000 = 10v²
16000/10 = v²
1600 = v²
√1600 = 40
v = 40