A Car accelerates from rest to 90km/h in 10 seconds.what is its acceleration in m/s squere?

Answer 1

90 kph = 1.5 km/min = 1500 m/min = 25 m/s

Answer 2

okay ... (25 m/s) / 10 s = 2.5 m/s^2

Answer 3

90km/h = 90,000m/3600s = 25m/s.
V = Vo+aT= 25
0+10a = 25
a = 2.5m/s^2.