18. A person pulls horizontally with a force of 64 N on a 14-kg box. There is a force of friction between the box and the floor of 36 N. Find the acceleration of the box in m/s2.

What fuel (s) are the main energy source during short, intense bursts of exercise? Metabolism of protein only Metabolism of fat only Metabolism of carbohydrate only Carbohydrates and vitamins Caffeine Medium-chain triglycerides Erythropoietin

Where does competition for reproduction most likely to occur

Which statement correctly defines ethics? A. a set of correct procedures B. a set of moral values C. a set of limits on which research options to pursue D. a set of assumptions generally accepted as true

Which of the following is an example of an allocation decision?| O A. A hub-and-spoke network is used to ship packages. O B. A telephone factory is converted to make computers. O C. An assembly line is used to build cars. O D.

A plane takes 4 hrs to fly 4200 km. What was the plane's velocity in km/hr?

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

Could a nucleus that has one proton but no neutrons exist?

Which physical quantities has the unit kg·m·s-1?