<documents_info>Problem 1: A car accelerates from rest to 60 mph in 10 seconds. Calculate the acceleration.,Problem 2: A ball is thrown vertically upwards with an initial velocity of 20 m/s. Calculate the maximum height reached.,Problem 3: A block is sliding down an inclined plane. Determine the coefficient of friction.</documents_info>
<query>Provide a step-by-step solution for Problem 2: A ball is thrown vertically upwards with an initial velocity of 20 m/s. Calculate the maximum height reached.</query>
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<documents_info>Problem 1: A car accelerates from rest to 60 mph in 10 seconds. Calculate the acceleration.,Problem 2: A ball is thrown vertically upwards with an initial velocity of 20 m/s. Calculate the maximum height reached.,Problem 3: A block is sliding down an inclined plane. Determine the coefficient of friction.</documents_info>
<query>Provide a step-by-step solution for Problem 2: A ball is thrown vertically upwards with an initial velocity of 20 m/s. Calculate the maximum height reached.</query>
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assistant
<query>Provide a step-by-step solution for Problem 2: A ball is thrown vertically upwards with an initial velocity of 20 m/s. Calculate the maximum height reached.</query>
<documents_info>Problem 1: A car accelerates from rest to 60 mph in 10 seconds. Calculate the acceleration.,Problem 2: A ball is thrown vertically upwards with an initial velocity of 20 m/s. Calculate the maximum height reached.,Problem 3: A block is sliding down an inclined plane. Determine the coefficient of friction.</documents_info>