2. A plane on a runway starts moving from rest. In 20 seconds it acquire speed of 70 m/s. find i) Acceleration of the plane:

305.7

explanation:

density =m/v

density =917/3.00

density = 305.

approximately = 305.7

in four significant figures

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.

a. vertically

explanation:

i tried it and took the test

if im wrong then we have different tests