tolong bantu saya no 3 dan 4 .mksi

3.
v = 4m/25s
F =26 N

P = F × v = 26 × 4/25 = 104/25 = 4,16 W (B)

4.
W = 12kJ = 12000J
t = 20 menit = 20.60 = 1200 s

P = W/t = 12000/1200 = 10 watt (D)