How to make a volcano lamp fuse

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

How do you convert 4 mmol of bromobenzene to ml?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius