Physics, 28.03.2020 07:37 Lydiaxqueen
Sam is pulling a box up to the second story of his apartment via a string. The box weighs 16.5 kg and starts from rest on the ground. Sam is pulling so that the velocity of the box is increasing by 2.6 m/s every second.
How long until the box reaches a height of 13.2 m?
Answers: 2
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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
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Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
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Sam is pulling a box up to the second story of his apartment via a string. The box weighs 16.5 kg an...
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