the bucket of oil is hung from a spring of unstretched length 20cm. The limit of proportionality of the spring is not exceeded and its length increases to 35cm. state what is meant by the limit of proportionality

The experiments with static charges were done by:

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

What is the relationship between the direction of motion of the balloon and the wind currents