3 years ago

I WILL AWARD BRAINLIEST!! PLEASE HELP!!!

Mathematics

1 answer:

lana66690 [7]3 years ago

6 0

$speed = \frac{distance}{time}$

from the question,

the total speed for the pedestrian is

40km and the total time is 10hr

substitute them in the formula, we get

$speed = \frac{40}{10}$

speed = 4km/hr

B. 10hrs - 6hrs = 4hours

C. BC is deacceleration = -dv/dt

CD is constant acceleration = dt = 0

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