Question

Plz help me, I really need this 4 a test and plz explain your answer. WILL MARK BRAINLIEST

Answer 1

Answer:

a) her walking speed increases in uniform motion from 0 - 50 sec then she slows down the next 20 sec. After that she starts walking the fast till she reaches 160m then she stops

b) she's walking the fastest  from 70 sec - 100 sec

c) s= d/t

= 100/50

= 2m/s