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Two blocks are tied together by a horizontal string and pulled a distance of 2.7 m across an air hockey table with a constant force of 35 N. The force is directed at an upward angle of 35° from the 9.0-kg block, as shown in the figure.
What is the change in kinetic energy in the two-block system?
is pulling force easy or pushing
Write down the electromagnetic wave equation in free space, in terms of vector and scalar potential.
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