** (will give + brainliest answer) a skateboarder is starting at the top of a 50.0 meter hill. at the bottom of the hill the skateboarder is going 25 m/s. if the mass of the skateboarder is 52 kg, how much energy was lost in the downhill ride? a) 650 joules b) 9230 joules c) 16,250 joules

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

What happens to the velocity of the car when the upward pull of the cable is greater than the downward pull of gravity as the car rises toward the top?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram