Pierre pushes a hockey puck that is initially at rest on frictionless ice by applying a constant force until the puck reaches a final velocity of 1 m/s . On his second attempt, Pierre wants the hockey puck to reach the same final velocity by applying a force that is twice as large. Therefore, Pierre must exert the larger force for a time interval that is
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Pierre pushes a hockey puck that is initially at rest on frictionless ice by applying a constant for...
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