When an object moves in a straight line with uniform speed change, its velocity is 4 m / s at a certain moment, and it becomes 10 m / s after 1 s. in this 1 s, the () A. The displacement may be less than 4MB. The displacement may be more than 10mc. The acceleration may be less than 4m / S2D. The acceleration may be more than 10m / S2

When an object moves in a straight line with uniform speed change, its velocity is 4 m / s at a certain moment, and it becomes 10 m / s after 1 s. in this 1 s, the () A. The displacement may be less than 4MB. The displacement may be more than 10mc. The acceleration may be less than 4m / S2D. The acceleration may be more than 10m / S2

When the direction of final velocity and initial velocity is the same, V0 = 4m / s, VT = 10m / s, t = 1s, then acceleration: a = vt − v0t = 10 − 41m / S2 = 6m / S2, acceleration is 6m / S2. Displacement: x = V0 + v2t = 4 + 102 × 1m = 7m; displacement is 7m. When the direction of final velocity and initial velocity is opposite, V0 = 4m / s, VT = - 10m /