The mean distance from saturn to the sun is 9 times greater than the mean distance from earth to the sun. how long is a saturn year?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance