A mass on a horizontal spring is displaced 10 centimeters when pushed with 100 N of force. What is the spring constant? 10 N/m

0.1 N/m

1000 N/m

1 N/m

When you swing on a playground, you are undergoing simple harmonic motion. What is the source of the restoring force?

The force of gravity

The normal force

The spring force

The frictional force

Check any options below that illustrate reflection of a wave at a free boundary.

rope tied to a wall

flute

organ pipe

slinky held at one end

PLL HELPPP ASAP

answer: b.

explanation:

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!