Question

Which of the following is an example of an object that is accelerating?

A
A basketball sits motionless on the gymnasium floor.
B
A hockey puck slows down and comes to a stop.
с
A soccer ball travels at 3 m/s for one second.
D
A train travels 100 km in a straight path towards the northeast.

Answer 1

D.

Step-by-step explanation:

Answer A - The basketball is not moving, motionless.

Answer B - The hockey puck eventually stops moving.

Answer C - The soccer ball eventually stops after one second.

Answer D is correct because the train is continuously moving.

Answer 2

B

Step-by-step explanation:

acceleration is a change in velocity, and situation B is the only situation where the velocity of the object is changing