Trong khoảng thời gian đóng công tắc để chạy một tủ lạnh thì cường độ dòng điện trung bình đo đc là 6A khoảng thời gian đóng công tắc là 0,50s tính điện lượng dịch truyển qua tiếp diện thẳng của giây thanhwr nối với động cơ của tủ lạnh

The softest and hardest minerals are: softest hardest

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.