A horizontal spring with stiffness 0.5 N/m has a relaxed length of 17 cm (0.17 m). A mass of 18 grams (0.018 kg) is attached and you stretch the spring to a total length of 25 cm (0.25 m). The mass is then released from rest. What is the speed of the mass at the moment when the spring returns to its relaxed length of 17 cm (0.17 m)

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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the amount of current in the coil

it has to be b, about 97 percent.

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!