In an experiment, students use a force sensor to apply a force of magnitude F to an object of mass m that is initially at rest. The force is exerted in the + x-direction for a time t = T. The impulse exerted on the device is J. Which of following procedure changes would result in an impulse 2J being exerted on an object? A Exert a force of magnitude - on an object of mass m for a time t = T. B Exert a force of magnitude - on an object of mass 2m for a time t = 2T. C Exert a force of magnitude F on an object of mass 2m for a time t = 2T. D Exert a force of magnitude 2F on an object of mass m for a time t = 2T. E Exert a force of magnitude 2F on an object of mass m for a time t =