An ice skater starts with a velocity of 2.25 m/s in a 50.0 direction. after 8.33 s, she is moving 4.65 m/s in a 120 direction. what is the x-component of her acceleration?
find the magnitude and

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.