Question

select the correct sign of the acceleration: an object speeding up in the positive direction has select acceleration. question 3 1 pts select the correct sign of the acceleration: an object slowing down in the positive direction has

Explanation:

Step1: Define acceleration concept

Acceleration is rate of change of velocity. When an object speeds up in positive direction, velocity is increasing in positive - direction. So, acceleration is positive.

Step2: Analyze slowing - down case

When an object is slowing down in positive direction, velocity is decreasing. So, acceleration is negative as it acts opposite to the direction of motion to slow it down.

Answer:

1. positive
2. negative