If a car is going 50 mile per hour how long does it take to go 50 miles

Which subatomic particle has a negative charge

The solid that is formed and usually sinks to the bottom of a solution is the

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.