Elektron bergerak dengan persamaan posisi r=(8t - 5t 2)i (16t-6t)j r dalm sekon .vektor kecepatan elektron saat t =2 s adalah

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.

option number c is the right answer.

+15-35=-20

going in opposite directions

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.