Can an object have both kinetic and potential energy? explain. um please help quick:(((

Calculate the number of moles of ethane in 100 grams

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?