What is the potential energy of an object that has mass of 410 kg at a height of 12m

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

Who was the first scientist to measure speed as distance over time?

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603