A particular engine takes in 10000 j of heat, does 2000 j of work, and as it runs discharges heat. its own energy is the same when it has finished as when it started. how much heat did it discharge if this is a closed system

Which of the following people would NOT be able to run for president under the Constitution? A-a 37-year-old black woman B-the governor of Hawaii, born in Japan C-an 80-year-old man with only an elementary school education D-all would be eligible

If a car traveling 60 miles per hour turns east but keeps the same speed has it accelerated? explain

Suppose that the process were repeated, except that in step 3 a neutral acrylic rod instead of a finger is used to touch the electroscope's post, which is then removed in step 4.

a marine biologist wants to know the total vertical distance a dolphin travel during a jump with the surface of the water being zero is started underwater at - 35 ft jump up and out of the water the 27 ft and return to the water to swim at - 18 feet

A wave that consists of a combination of electrical and magnetic energy is a (n) :

The vapor pressure of ethanol at 25 degrees C is 7.83 kPa. Calculate the vapor pressure in atm. Round answer to 3 significant digits.

According to Newton's second law of motion acceleration or an object depends upon the ___ of the object and the ___ Acting on it. I'm confused on what the blanks are. I can't find them.

What is the concentration of H + ions at a pH = 7?

Suppose that Paul D. Trigger fires a bullet from a gun. Will the speed of the bullet leaving the muzzle will be the same as the speed of the recoiling gun? Explain.

A certain rock contains large jagged pieces of other rocks cemented by fine particles what type of rock is this explain