On a typical clear day, the atmospheric electric field points downward and has a magnitude of approximately 119 N/C. Compare the gravitational and electric forces on a small dust particle of mass 3.3 ✕ 10−15 g that carries a single electron charge.

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?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? round your answer to the nearest tenth. s how far will the football travel before it lands? round your answer to the nearest tenth. m

What does every magnet possess? a. iron metal b.strong magnetic field c.repulsion d.north and south poles