An astronaut holds two small aluminum spheres, each having mass 0.0230 kg , 77.5 cm apart....
II Review I Constants Two small spheres spaced 20.0 cm apart have an equal amount of charge. PartA How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 7.0x10-21 newtons? Express your answer using three significant figures. View Available Hint(s) electrons
both parts please Review Two small plastic spheres each have a mass of 1.4 g and a charge of -55.0 nC. They are placed 2.8 cm apart (center to center). What is the magnitude of the electric force on each sphere? Express your answer to two significant figures and include the appropriate units. rValue Units Submit Request Answer Part B By what facs the electric force on a spherelagethan its weight? Express your answer using two significant figures. rig Submit
Two small spheres each have a mass m of 0.100 g and are suspended as pendulums by light insulating strings from a common point, as shown in the figure below. The spheres are given the same electric charge, and the two come to equilibrium when each string is at an angle of θθ= 3.00∘∘; with the vertical. 1) If each string is 1.00 m long, what is the magnitude of the charge on each sphere? (Express your answer to three...
Exercise 21.9 Constant:s PartA Two small plastic spheres are given positive electrical charges. When they are a distance of 15.9 cm apart, the repulsive force between them has a magnitude of 0.230 N What is the charge on each sphere if the two charges are equal? Submit Request Answer Part B What is the charge on first sphere if it has four times the charge of the other? Submit Request Answer Part C What is the charge on the second...
Part A Two small nonconducting spheres have a total charge of Q = Q1+Q2= 93.0 NC, Q1 Q2 When placed 28.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive. What is the charge Q1? Express your answer to three significant figures and include the appropriate units. (E?? Q1 = Value Units Submit Request Answer - Part B What is the charge Q2? Express your answer to three significant figures and include the appropriate...
obiem 22.14 Part A ㎜ Review Two small plastic spheres each have a mass of 1.3 g and a charge of -60.0 nC. They are placed 3.0 cm apart (center to center) What is the magnitude of the electric force on each sphere? Express your answer to two significant figures and include the appropriate units. F Value Submit Part B By what factor is the electric force on a sphere larger than its weight? Express your answer using two significant...
Review Two small plastic spheres each have a mass of g and a charge of -53.0 nC. They are placed 2.7 cm apart (center to center) 2.0 ▼ Part A What is the magnitude of the electric force on each sphere? Express your answer to two significant figures and include the appropriate units. HA F-1 Value Units Submit Request.Answen Part B By what factor is the electric force on a sphere larger than its weight? Express your answer using two...
Two small nonconducting spheres have a total charge of Q=Q1+Q2= 91.0 μC , Q1<Q2. When placed 28.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive. What is the charge Q1? What is the charge Q2? What would Q1 be if the force were attractive? What would Q2 be if the force were attractive? Express your answer to three significant figures and include the appropriate units.
problem 17.16 3 of 7 Constants PartA Two small spheres spaced 50.0 cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.32x1021 N ? 2281 Submit Request Answer × Incorrect: Try Again Provide Feedback Next >
Two 1.5 g spheres are charged equally and placed 2.4 cm apart. When released, they begin to accelerate at 190 m/s2 a) What is the magnitude of the charge on each sphere? Express your answer to two significant figures and include the appropriate units.