A student uses a spring loaded launcher to launch a marble vertically in the air. The mass of the marble is 0.08 kg and the spring constant is 188 N/m. What is the maximum height the marble can reach when compressed 5 cm?

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

What is the equation for electrical work?

What are the similarities & differences between a thermistor and a light dependent resistor in physics?