Webah sepeda dan pengendara memiliki massa 80 kg bergerak dengan kelajuan 7m\s, berapa energi kinetik?
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Verified answer
M = 80 kgv = 7 m/s
Ek?
penyelesaian:
Ek = m × v^2 / 2
Ek = 80 × 7^2 / 2
Ek = 40 × 49
Ek = 1.960 Joule
v=7m/s
ditanya:EK...?
jawab: EK=½m.v²
=½.80.7²
=40.49
=1960 joule