Ms. Robinson slides a piñata across the floor. The piñata has a mass of 2.4 kg and the coefficient of friction between the floor and the piñata is 0.62. What is the minimum force needed to get the piñata moving?

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.