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Physics, 19.02.2021 17:30 gonzagaj325

Help!! quick please! thank you! An initially stationary 4 kg block is accelerated to a speed of 9 m/s in 4 s.

How much work is done on the block by the force accelerating it?
What is the average power over the 4 seconds?
What is the average power over the first 2 seconds?

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