Tolong bantuannya gan nomor 1.2dan 4

1. W/F = s/h
F = W x h / s
= m.g x h/ s
= 10 x 9,8 x 3 / 5
= 58,8 N
2. P = Po x kedalaman
= 1,01 x 10^5 x 100
= 1,01 x 10^3 = 1010 Pa
4. t = s/v
= 1,5 x 10^11 / 3 x 10^8
= 500 sekon