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Hi, I cannot solve this. I am not sure if I need to implement cosine within the equation I am using, or not. How much

Hi, I cannot solve this. I am not sure if I need to implement cosine within the equation I am using, or not.

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How much work does a supermarket checkout attendant do on a can of soup he pushes 0.900 m horizontally with a force of 4.20 N? Express your answer in joules and kilocalories. (For each answer, enter a number.) work in joules 4.5 x ] work in kilocalories 0.001010750119 X kcal

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