The emission of the light waves in the lasers allows them to overlap properly to create larger waves, which means that overlap

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?