You are standing still and your friend pushes you from the left, making you move 1 m/s to the right in 1 second. If your mass is 66 kg and your friend’s is 91 kg, at what
speed did he push you

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

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

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z