mohon bantuannya hehehehehhe

24.c.39
25.A.2
maaf kalo salah

nomor 25
s = 2800 m
v = 1400 m/s
t?

penyelesaian:
s = v × t / 2

2800 = 1400 × t / 2

t = 2800 × 2 / 1400

t = 4 sekon