Question

tolong yahh no 5-8
dan tolong ya pake cara/alesannya
terimakasih

Answer 1

5. F= m x a
a= F/m
a) 1f/ 2 kg = 1/2 a
b) 2 f/ 5 kg = 2/5 a
c) 3f/4 kg= 3/4 a
d) 5f/ 8 kg= 5/ 8 a
jawaban: b. 3/4

7. katrol tunggal= 1/2 F
500 x 1/2 = 250
jwb: b. 250

Answer 2

M = 4 kg

v = 36 km/j = 10 m/s

W = EK

EK = ¹/₂ m v²

EK = ¹/₂ (4) (10)²

EK = 2 (100)

EK = 200 Joule