The position of a 3.0 kg mass is given by x=(2t^3−3t^2) m, where t is in seconds.
what is the net horizontal force on the mass at t=0s?
what is the net horizontal force on the mass at t=1s?

How have the competing explanations' experiments on atoms affected the development of the atomic model?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity