soal yg essay tolong beserta rumus

1. gel = V.1/f
gel = 330. 1/300 = 1,1 m

2. V = gel . F
V = 2,75 . 200 = 550 m

3. dik/dicari . nilai
375/125 . 310 = 930 m/s

4. S = (v.t):2
S = (1500.4):2=1500.2 = 3000 m

5. S = (v.t) :2
1400 = (340 . t) :2
1400 = 170t
t=8,235 s

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