Physics, 09.07.2019 20:40 milkshakegrande101
Two forces are described below: force 1: the force which attracts iron nails towards a magnet force 2: the force which attracts a positive charge towards a negative charge which statement is true about the forces? both are contact forces. both are non-contact forces. force 1 is a contact force and force 2 is a non-contact force. force 1 is a non-contact force and force 2 is a contact force. question 3(multiple choice worth 3 points)
Answers: 1
Physics, 21.06.2019 17:10
Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s
Answers: 1
Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Two forces are described below: force 1: the force which attracts iron nails towards a magnet forc...
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