Which graph corresponds to an object moving with a constant negative acceleration and a positive velocity?
(a)
(b)
(c)
(d)

To determine which graph corresponds to an object moving with constant negative acceleration and positive velocity, you need to understand the relationship between velocity, acceleration, and the shape of the velocity-time graph.

Here’s a breakdown:

1. **Constant Negative Acceleration**: The acceleration is negative but constant, meaning the velocity of the object is decreasing at a uniform rate.

2. **Positive Velocity**: The object is still moving in the positive direction, but its velocity is decreasing over time.

On a velocity-time graph:

- **Constant Negative Acceleration**: This will be represented by a straight line with a negative slope.
- **Positive Velocity**: The line will be above the time axis initially, but it will slope downwards, showing that the velocity decreases over time.

Given these characteristics, the graph should be a straight line with a negative slope that starts above the time axis and slopes downwards.

Without seeing the graphs (a, b, c, d), you would select the one that shows a straight line with a negative slope. If you provide details or descriptions of the graphs, I can help you identify the correct one.