Question

Minta bantuan kaka
butuh bangat

Answer 1

Dik : m = 40 kg
h1= 20 m
h2= 10 m
dit : energi kinetik
jwb : htotal = h1 - h2
= 20 - 10
= 10
Enegi kinetik = 1/2 × m × h × h
= 1/2 × 40 × 10 × 10
= 20 × 100
= 2000