A 84.4 kg skier is on a 32.4° hill. Using X-Y axes tilted down the
plane, what is the x-component
of the weight?

PLEASE HELP ASAP!

What happens to the light rays when they hit the specimen?

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

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