Asample of gas has an initial volume of 4.5 l at a pressure of 754 mmhg . part a if the volume of the gas is increased to 8.5 l , what will the pressure be? express your answer using two significant figures.

The plum pudding model of the atom state that ?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.