\(U_{max}=I_{max}\cdot R_{max}=50\cdot2=100V\)

A là lực ép có phương vuông góc với mặt bị ép.

IV. Sử dụng thì hiện tại đơn hoặc thì hiện tại tiếp diễn trong những câu sau

1.  She .................PLAYS....................... (play) tennis every Sundays.

2. The students (not, be).......AREN'T..................in class at present.

3. The children (play).......PLAYING.................... in the park at the moment.

4.  He ..............BUYS.......................... (buy) a cup of coffee every morning.

5.  Julie ...............COMES......................... (come) from Russia .

6. Jack and Peter  (work) __WORK______ late today.

7.  Luke ....USUALLY STUDIES.................................... (usually /study) hard to be polite.

8.  She .........ENJOYS............................... (enjoy) going swimming twice a week.

9. The weather (get) ___GETS_____ cold this season .

10. My children (be)__ARE___ upstairs now. They (play)___PLAYING___ games.

xem lại câu hỏi nè

\(p=dh=10000\cdot\left(1,5-0,8\right)=7000\left(\right)\)

cHỌN c

\(\dfrac{1}{x-1}\)

Chọn C