Một vật dđđh với phương trình x = 6cos π t (cm). Thời gian ngắn nhất vật đi từ vị trí x = - 6cm đến vị trí x = 3cm là

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

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and