Question

calcule as posicoes em funcao do tempo nos intervalos de 2s e 3s.

a) S(t) = 10+2t

b) S(t)= 15-3t

Answer 1

a) t=2
S=10+2*t
S=10+2*2
S=10+4
S=14

t=3
S=10+2*t
S=10+2*3
S=10+6
S=16

b)t=2
S=15-3*t
S=15-3*2
S=15-6
S=9

t=3
S=15-3*t
S=15-3*3
S=15-9
S=6