Soal Kalkulus, mohon jawabannyaaaaaaaaaaa...

jawab

(1)
St= 5 t²

a) Kecepatan =  V = s' 
Vt = 10 t
v1 = 10

b) St = 5t²
st = 80

5t² = 80
t = 4 s

c. Vt = 10 t
t = 4 s
Vt = 10 (4) = 40  m/s

a = V't
a = 10