Question

aircraft, on its take-off run has a steady acceleration of 3 m.s-2.
i. What velocity does the aircraft gain in 4 seconds?
ii. If the aircraft passes one post on the runway at a velocity of 20 m.s-1, what is its velocity 8 seconds later?

Answer 1

Answer:

hi dear

Explanation:

acceleration

1) velocity the air craft = 3×4

= 12m/s

2) velocity = 20m/s

20+(8×3)

44 m/s .