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AP Physics 1
4.2 Change in Momentum and Impulse
3.2 Work
3.1 Translational Kinetic Energy
Multi-Unit
IntermediateMCQConceptual21.2k
A constant force F is applied to a block moving with initial velocity v.
A constant force F is applied to a block moving with initial velocity v.
A block of mass \(m\) is sliding on a horizontal frictionless surface. In Trial 1, the block has an initial speed \(v_1\) and a constant horizontal force \(F\) is applied in the direction of motion for a fixed time interval \(\Delta t\). In Trial 2, the block has an initial speed \(v_2\) (where \(v_2 > v_1\)) and the same force \(F\) is applied in the direction of motion for the same time interval \(\Delta t\). Which of the following correctly compares the change in kinetic energy \(\Delta K\) of the block for the two trials?

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