Question

Wanna help me?? I'd be glad

Answer 1

saya kasih trik
vo=5 m/s
v=10 m/s
m=1 kg
W(gsk)=E(pns)=50j


ditanya???? H
jawab:
W=delta Ek
W(gravitasi)-W(gesek)=Ek(akhir)-Ek(awal)
Delta Ep-50j=1/2 mv²-1/2mvo²
(Ep1-Ep2)-50j=1/2m(v²-vo²)
(mgh1-mgh2)-50j =1/2(1)(10²-5²)
mg(h1-h2)=1/2(75)+50
(1)(10)(h1-0)=87,5
10h1=87,5
h1=8,75
jadi tinggi tanjakan 8,75 m.

Semoga bermanfaat ^_^