Question

bus decreases its speed from 100 k/hto 60 km / h is 10 seconds. find the
acceleration of the bus​

Answer 1

Explanation:

acceleration =change in velocity ÷time

100km/hr= 100×5÷18 m/s=250÷9m/s

60km/hr=60×5÷18m/s=50÷3m/s

therefore, acceleration

a =((50÷3)-(250÷9))÷10

=-10÷9 m/s^2