A body from the top of a 180 m high mountain is abandoned. Disregarding air resistance and adopting g = 10m / s2, determine: 1) the time used by the body to reach the ground;
2) the speed of the body when reaching the ground

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

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

Which of these metals are magnetic?