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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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How many neutrons does element x if itβs atomic number is 28 and its mass number is 87
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16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing playerβs feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.
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Classify each change (which can be manipulated within the green box) according to its effect on the...
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