Question

The displacement is given by x=242 +t+5, the acceleration at t=2s is (2) 8 m/s2 (3) 10 m/s2 (1) 4 m/s2 (4) 15 m/s2​

Answer 1

Answer:

let x = 2.5+ 252+t+5

102

lhs= rhs

22.505