How many protons are required to make up a charge of 6.5x10-17C?
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How many protons are required to make up a charge of 6.5x10-17C?
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- Two small balls with a mass of 2 g each are hanging on two separate strings 0.25 m (25 cm) long attached to a common point. They are given an identical negative charge and spread apart to a distance 3 cm from each other. What would happen if the charge on each ball is doubled?An aluminum nail has an excess charge of +6.4 µC. How many electrons must be added to the nail to make it electrically neutral? 5.0 × 10-14 4.0 × 101⁹ 3.2 x 1016 4.0 × 1013 O 3.2 x 106Point a is 60 cm North of a -3.8 µC point charge, and point b is 80 cm West of the charge. Determine the magnitude of Vba and E(total) a b Q =-3.8 µC
- Two point charges of -6.3 μC were placed 15 mm from one another. What is the magnitude and direction of the force produced?a.) two balloons (m = 0.023 kg) are separated by a distance of d = 14m. they are released from rest and observed to have an acceleration of a = 1.5 m/s2 toward each other at the moment they are released. assume the two balloons are point charges and have equal byt opposite reactions b.) how many electrons are responsible for the charge, n?"The work done by an external force to move a -4.40 µC charge from point a to point b is 7.10x10-4 J.
- A small metal sphere, carrying a net charge of qt= +7.5 mC, is held in a stationary position by insulating supports. A second small metal sphere, with net charge of 2' +3 mC and mass 2 g is projected toward q . When two spheres are 0.8 m apart, sa is moving toward qt with speed 22.0 mls, see Figure. Assume that the two spheres can be treated as point charges. Neglect the force of gravity. a) What is the speed ofqt when the spheres are 0.5 m apart† How close can q2 approach to q1 ?Suppose a speck of dust in an electrostatic precipitator has1.0000×1012 protons in it and has a net charge of –5.00 nC (a very large charge for a small speck). How many electrons does it have?A glass rod with a charge of + 15.6 nC is held 2.50 cm from a piece of wool that is oppositely charged. If the attractive force between the glass rod and wool is - 3.50 X 10 -3 N, what is the charge, in nanoCoulombs, on the piece of wool ? (Ans: - 15.6 nC)
- IP A particle with a mass of 4.0 g and a charge of +5.0x10-2 μC is released from rest at point A in the figure (Figure 1). Figure Ag 3.0 cm во 5.0 cm 4.0 cm OC E 1 of 1 L X > In which direction will this charge move? Positive Y- direction Negative y- direction Negative x-direction Positive x-direction Submit Part B V= Request Answer What speed will it have after moving through a distance of 5.5 cm ? The electric field has a magnitude of 1600 N/C Express your answer using two significant figures. 15. ΑΣΦ SFR P Pearson ? m/sA metal sphere has 4.3x10^21 protons and 6.8x10^21 electrons. What is the net electric charge on this sphere?A 53.0 g ball of copper has a net charge of 1.5 µC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.) Answer: ______________