A student is investigating potential and kinetic energy by stretching a spring. When the student lets go, the spring recoils. At which point is the potential energy in the spring is being converted into kinetic energy in this system.

Question 1 options:

Image # 1

Image # 2

Image # 3

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which characteristics can be used to differentiate star systems? check all that apply.

Aman applies a force of 500n to push a truck 100m down the street how much does he do?