An electric fan is turned off and its angular velocity decreases uniformly from 500rev/min to 200rev/min in 4.00s. a) Find the angular acceleration in rev/s2 and the number of revolutions made by the motor in 4.00s interval. b) How many more seconds are required for the fan to come to rest if the angular acceleration remain constant at the value calculated in part (a)

Gshusgshsvsvshhdsudu

The answer is a) taiga because taigas are cold

Wooden , walls ,doors ,support

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.