110k views
3 votes
A ball is pushed from a stop and rolls 6m in 2s. Student A says the average speed of the ball is 3m/s. Student B says the average speed of the ball is 1.5m/s². Which student is correct? Explain.

User Jon Sakas
by
8.9k points

1 Answer

4 votes

answer!!

so basically:

Student A is correct. The average speed of the ball can be calculated by dividing the total distance traveled by the total time taken.

In this case, the ball rolls a distance of 6 meters in 2 seconds. To find the average speed, we divide the distance by the time:

Average Speed = Total Distance / Total Time

Average Speed = 6 m / 2 s

Average Speed = 3 m/s

Therefore, Student A is correct in stating that the average speed of the ball is 3 m/s.

Student B's statement is incorrect. The unit "m/s²" represents acceleration, not speed. It measures how the speed of an object changes over time, whereas speed measures the distance traveled per unit of time. In this problem, we are only concerned with the average speed of the ball, not its acceleration.

hope it helps!! ily!! bye bye!! - aydn

User Chris Clower
by
8.7k points