Một bóng đèn có ghi 220v-100w a) Hãy nêu ý nghĩa của các số ghi trên bóng đèn
b) Tính cường độ dòng điện qua bóng đèn và điện trở của nó khi đèn sáng bình thường

How are momentum and impulse related? impulse is a whim to do something, while momentum keeps it going impulse is another name fore instantaneous momentum the impulse acting on and object is equal to the change of momentum it causes. the impulse that acts on and object is the momentum that results.

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

What is the equation for electrical work?