Question

Tolong dijawab ya.... Pointnya banyak. Nanti dijadiin jawaban terbaik. Jawabnya yang bener. Kalau gak tau, mending gak usah dijawab.

Answer 1

Verified answer

USAHA dan ENERGI
▶Energi Potensial

1. ][

a. Ep a = ???

Ep a = m g ha
Ep a = 10 × 10 ×10 = 1000 J. ✔

b. Ep b = ???

hb = 10 m - 2 m = 8 m

Ep b = m g ha
Ep b = 10 × 10 × 8 = 800 J. ✔

2. ][
h = 12 m
Ep = 240 J
g = 10 m/s²

m = ????


Ep = m g h
240 = m × 10 × 12
m = 2 kg .✔