A net force of 80 N acts on a 10 kg object to accelerate it from rest to a speed of 6.0 m/s. How far is the 80 N applied for? Explain

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of