kak tolong dijawab ya....no 14 dan 15

1. P= F/A
= mgh / A
= 50 kg x 10 m/s2 x 1 /0,05 m2
= 500N x 100/5
= 10000 Pa (B)
2. P = F/A
= mgh / A
= 2000 kg x 10 m/s2 x 1 / 0,04 m2 x 4
= 20000 N / 0,16 m2
= 20000 N x 100/16 m2
= 125000 Pa
= 1,25 x 10 pangkat 5 Pa (A)