Bisa bantu pake cara?
Jawab:#dirumahsajalah
h(t) = 256 + 48 t – 16t²
1. V(t) = h'(t) = 48 – 32 t
V(0) = 48 – 32(0)
V(0) = 48 m/s
2. h' (t ) = 0
48 – 32 t = 0
t = 48/32 = 1,5 s
3. h(1,5 ) = 256 + 48 (1,5) – 16(1,5)
h(1,5) = 247m
4. tiba di tanah = 2t = 3 s