sarahsedki98 sarahsedki98 20-01-2017 English contestada The acceleration of a particle is directly proportional to the square of Problems 615 the time t. When t 5 0, the particle is at x 5 24 m. Knowing that at t 5 6 s, x 5 96 m and v 5 18 m/s, express x and v in terms of t. ((mechanics))