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Physics, 31.07.2019 08:00 robot2998

1) a 30-kg object is accelerated at a rate of 3 m/s². how much force does the object have? 2) joey pushes on a door that is stuck with 400n of force, but is unable to move it. how much work has he done? 3) a 60w light bulb burns for 2 minutes. how much work was done? 4) how much power is used if it takes jamel (a 450n boy) 3 seconds to run 2 meters? 5) how much work is required to pull a sled if you use 60w of power 5 seconds. note: important formulasf=m×a. w=f×dp=w/t

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