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can you help me (l) (20pts) In the dead of night, Batman is running towards a lamp post in Gothaln's central park to apprehend a

can you help me

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(l) (20pts) In the dead of night, Batman is running towards a lamp post in Gothaln's central park to apprehend a criminal. The lamp post is 12ft tall, and Batman is 6ft tall. If he is running at a rate of 5ft / s towards the post, What is the rate of change of the length of his shadow when he is 7ft away from the lamp post

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