Acapacitor has a charge of 4.6 î¼c. an e-field of 1.8 kv/mm is desired between the plates. there's no dielectric. what must be the area of each plate?

Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

What does si stand for,when referring to a system of measurement