\(P=\dfrac{A}{t} = \dfrac{1,8}{40}=0,045(W)\)

P=A/t = 1,8/40 = 0,045(W)

Công của lực:

`A=F.s=300. 0,006 = 1,8 (J)`

Công suất là:

`P=A/t=(1,8)/(2/3) = 2,7(W)`

a) `U=U_1+U_2=2,4+2,5=4,9(V)`

b) `U=U_1+U_2=>U_2=U-U_1=11,2-5,8=5,4(V)`

A: have - call

B: get

1. A network of wind turbines will be installed to generate electricity.

2.  I was impressed by the film.

3. If you drive too fast, you will have an accident.

- Sửa chút nkaa. =((((((

program im_14424;

uses crt;

var m: interger;

begin 

clrscr;

write('Nhap vao so nguyen duong m: ');

readln(m);

if m>0 and m mod 2 = 0 then write('So nguyen duong m la so chan');

if m>0 and m mod 2 <> 0 then write('So nguyen duong m la so le');

if m<0 then write(m `khum phai la so nguyen duong');

readln

end.

Chiều cao là:

`6000 : 2(60+40) = 30 (cm)`

Đáp số: 30cm.

1. It's extremely exciting to go on a picnic on the river.

2. I was advised to take part in the swimming competition.

- Vâng, em cảm ơn ạ.