Question

Identify whether the following statements describe a change in acceleration. Explain your response

a. A car stopped at a stop sign.

b. A boat traveling east at 10 knots.

c. An airplane traveling north 600 miles per hour.

d. A person running at 5 meters/second along a curving path.

Answer 1

Answer: The answer will be A

Step-by-step explanation:

There is acceleration in all cases velocity changes. In options b and c the speed is constant, then there is no acceleration. In option a, the car was moving and then stop, therefore, its speed decrease to zero, and that represent an acceleration.