A vibrating string goes back and forth 412 times in 3 minutes. Find the frequency and period of the string.

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

don't remove my answer im trying my best to answer them

explanation:

kepler used the data from tycho blahe (his mentor) to construct the laws of planetary motion.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.