Question

9.
A person pushes a block of mass 0.25 kg along
a horizontal table with a force of magnitude 5 N for
a distance of 0.5 m. The frictional force between
block and table is 1 N. The average power of
pushing force is
(1) 20 W
(2) 10 W
(3) 40 W
(4) 0.5 W​

Answer 1

Answer:

Answer is 20w

Explanation:

20 W is your answer