Question

Take two aluminium channel of different length?

Answer 1

Answer:

study the following activity and answer the question take to aluminium channels of different lengths place the lower end of the channels on the floor and hold their offer ends at the same height now take 2 balls of the same size and weight and release them from the top end of the channels they will roll down and cover .

Explanation:

hey mate mark me as brainlist and follow me..