Question

pls solve this fastttttt
I will mark as brainliest​

Answer 1

Explanation:

1 velocity btn 0-2 sec

area of triangle +area of rectangle

= 1/2 ×2×15+10×2

= 35 ?/s

2. velocity btn 8-12 s

= area of trapezium

= 10+80

= 90 m/s