Một hộ gia đình sử dụng điện với dòng điện trung bình là 6 A. Tính điện năng
tiêu thụ và tiền điện mà hộ gia đình này
phải trả hàng tháng (thuế VAT là
10%). Biết trung bình mỗi ngày sử
dụng điện 12 giờ; giá tiền điện cho
trong bảng sau (chưa có VAT):

Bặc thang tính giá điện sinh hoạt
(kWh)
Giá bán điện
(đồng/kWh)
Bậc 1:0-50
Bậc 2: 51-100
Bộc 3: 101-200
Bậc 4: 201-300
Bậc 5: 301-400
Bậc 6: 401 trở lên
1.678
1.734
2.014
2.536
2.834
2.927

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving

The great sandini is a 60.0-kg circus performer who is shot from a cannon (actually a spring gun). you don’t find many men of his caliber, so you him design a new gun. this new gun has a very large spring with a very small mass and a force constant of 1100 n/m that he will compress with a force of 4400 n. the inside of the gun barrel is coated with teflon, so the average friction force will be only 40.0 n during the 4.00 m he moves in the barrel. at what speed will he emerge from the end of the barrel, 2.50 m above his initial rest position?