Can someone me!
a student pushes a 40-n block across the floor for a distance of 10 m. how much work was done to move the block?
a. 4 j
b. 40 j
c. 400 j
d. 4,000 j

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!

the rearrangement of particles in a physical change. hope this

you can cut your hand off if your not