Question

A cart initially moving at 20 m/s slows down at a steady rate of 4 m/s2 for 4 s. It next maintains the velocity it has reached for 10 s. Then it accelerates uniformly at 3 m/s2 for 5 s. What is the final speed of the car?
A) 21 m/s
B) 16 m/s
C) 12 m/s
D) 10 m/s
E) 19 m/s

Answer 1

Explanation:

16m/s

please make me as brainlist

Answer 2

Answer:

16 m/s pls make me as a brainlist too