. A rubber ball with a mass of 0.040 kg is dropped from a height of 8.0 m above a floor. It bounces to a height of 3.0 m after being in contact with the floor for 0.080 s. a) Find the magnitude of the net impulse net J acting on the ball during the time it is in contact with the floor

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

The discovery of the electron as a subatomic particle was a result of

Object a has a length of 3 cm, a width of 2 cm, and a height of 4 cm. object b is dropped into a graduated cylinder. it displaces 19 ml of water. the volume of object a is: a: greater than the volume of object b b: less than the volume of object b c: equal to the volume of object b