Question

please give me the method ​

Answer 1

Answer:

the area under the curve will give it....so do integration from A to B then B to C and then C to D then add all of them

Explanation:

hope it helps ☺️

mark as brainliest

Answer 2

Answer: 4.5m/s ; 6m/s ; 10m/s

Explanation: it is area under graph

From a to b = 1/2×b×h =1/2×3×3= 4.5m/s

From b to c= s×s= 3×2= 6m/a

From c to d = 6+ 1/2×b×h=6+1/2×2×4=10m/s