Yasmin and Raj each had 10 boxes of equal weight to stack next to each other on the same shelf, at the same height and in the same arrangement. Yasmin completed the task in 2 minutes, while Raj took 3 minutes to stack his boxes. Raj applied [___] power than Yasmin because his stacking took [___] time to do the same amount of work.

They stacked the same number of equal-weight boxes in the same arrangement, so they did the same amount of work. Power is work divided by time; Raj took 3 minutes while Yasmin took 2 minutes. Taking longer to do the same work means Raj applied less power and his task took more time.

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