An elevator in a tall building is fitted with a counterweight. The total mass of the car and passengers is 668 kg. The counterweight has mass 512 kg. A motor lifts
the elevator car through a distance of 16.2 m in 15.0 s. The efficiency of the motor is 24.0%. Calculate
the total input of electrical power to the motor
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Simple harmonic motion wind energy circulation best answer from the choices

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.