Physics, 06.05.2020 22:18 kawtharALSAMARY
Which statement best explains the relationship between electric force and the charges on two interacting objects? A. Electrical force is directly proportional to the product of the charges on the two objects. B. Electrical force is inversely proportional to the product of the charges on the two objects. C. Electrical force is inversely proportional to the product of the squares of the charges on the two objects. D. Electrical force is directly proportional to the product of the squares of the charges on the two objects.
Answers: 3
Physics, 22.06.2019 17:40, yoongnzl
Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
Answers: 1
Physics, 22.06.2019 21:20, dee0828
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 player’s 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.
Answers: 2
Which statement best explains the relationship between electric force and the charges on two interac...
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