induniheesal0 induniheesal0

14-05-2021
Biology

contestada

A student put the powder to the corom board . Sciencetific reason for adding powder is ,
A- frictional force is increased by powder.
B- frictional force is decreased by powder .
C- the speed of carom discs is increased due to powder.
D- the speed of carom discs is decreased due to powder .

Respuesta :

randalclark randalclark

14-05-2021

Answer:

B or D

Explanation:

think of it how you use chalk on a chalk board, its less friction using chalk instead lets say a marker on a white board.

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