S ditter after a physical change? s differ after a chemical change?
broke instead of bent, would it be a chemical or phy
s breaking is a physical or chemical change? Defence
Chemical changes are caused by an input in energy
end correct? Why or why not?
Fesponding activities were
d Tracie Mastronicola.
HW 314/21 (Fro

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass