Cho điểm sáng s nằm trước gương phẳng và cách gương 25 cm. Dịch chuyển điểm sáng s tưới vị trí sao cho ss'lúc này tăng thêm 10cm so với ban đầu

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?