Question

A motorcyclist drives from A to B with uniform speed of 30km/h and returns back with a speed 20km/h. Find its average speed​

Answer 1

$\begin{gathered}{\Large{\textsf{\textbf{\underline{\underline{\color{purple}{Question:}}}}}}}\end{gathered}$

The rock cycle is a concept used to explain how the three basic rock types are related and how Earth processes, over geologic time, change a rock from one type into another. Metamorphic - These rocks form as existing rocks are subjected to intense heat and/or pressure, usually over long periods of time. ...

Answer 2

Explanation:

Avg speed is 12/5 km/h

Avg speed = TOTAL distance/total time