Question

moving with 20 metre per second for first half distance and in next half with 40 metre per second find out average speed​

Answer 1

Answer:

30m/s

Explanation:

20+40/2=30

please mark it as a brainliest

Answer 2

Explanation:

2uv÷u+v

2×20×40÷20÷40

1600÷80=20 metre per second