Respuesta :
Answer:
acceleration=change in distance÷change in time
Explanation:
Acceleration=change in distance ÷change in time
A=12÷2.5
A=4.8 m/sec
Acceleration (magnitude) = (change in speed) / (time for the change)
Change in speed = (end speed) - (start speed)
Change in speed = (12 m/s) - (7 m/s)
Change in speed = 5 m/s
Acceleration = (5 m/s) / (2.5 s)
Acceleration = 2 m/s²