an object with a mass of 100 grams (0.100 kg) is dropped from a certain height and has a velocity of 60 meters/second. if the potential energy of
this object is 179.99 joules, how high was the object when it was dropped?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.