Question

Please answer this numerical problem quickly.. Please please please

Answer 1

Answer:

Please refer to the attached

Answer 2

Answer:

Explanation:

a) using Pythagoras theorem

AC² = 3² + 4²

      = 9 + 16

      = 25

AC = 5 km

b) displacement is AC= 5 km

distance = AB + BC = 3+4 = 7 km

c) average speed= AB +BC/ t₁ +t₂

 7km = 7×1000 = 7000 m/sec

average velocity = 7000/3 =  2333.34 m/sec