21 N 83 N 15 N 081 N
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Q: b
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- please help with questions 32,33,34,35The force between two charges has a magnitude of 19.4 N. The charges are +26.0×10^−6 C and −47.0×10^−6 C. What is the separation distance between the charges?At what distance of separation must two 4.00 μC charges be positioned in order for the repulsive force between them to be equivalent to the weight (on Earth) of a 2.00- kg mass? Note: The formula for the force of gravity (weight) is F = mg where m = mass in kg and g = gravitational acceleration = 9.81 m/s^2. 0.007 m 0.086 cm 0.11 m 0.086 m
- What is the Magnitude in N of two charges of +0.90 C and +4.0 C, respectively, if they are separated by a distance of 4.0 m?In the early 1900s, scientists modelled the hydrogen atom as an electron orbiting a proton. Like when we look at the Earth and Sun, we can consider the proton to be stationary, and the electron to be in orbit around the proton in a perfect circle. Unlike the Earth and Sun, the force responsible for the circular motion of the electron is the attractive electric force between the proton and electron. All other forces can be ignored. Experiments showed that the electron's orbital radius was 5.29x10^-11m. a) Calculate the speed of the electron in its orbit. b) Show that the circumference of the electron's orbit (2 times pi times radius) is about equal to the electron's De Broglie wavelength at that speed. Electron: mass = 9.11x10^-31kg, charge = -1.60x10^-19C. Proton: mass = 1.67x10^-27kg, charge = +1.60x10^-19C. Coulomb's constant: k = 9.00x10^9 Nm^2/C^2 Planck's constant: h = 6.63x10^-34 Jsthe coordinates for the red dot are (3.5m ,8m) and both dots have positive charges of 3.50 C Also the answer is not 63.4 degrees
- An object with charge 4.3×10-5 C pushes another object 0.31 micrometers away with a force of 7 N. What is the total charge of the second object?A hydrogen atom contains a single electron that moves in a circular orbit about a single proton. Assume the proton is stationary, and the electron has a speed of 7.6 105 m/s. Find the radius between the stationary proton and the electron orbit within the hydrogen atom.Two identical charges of 0.05 C have a repulsive force of 867 N. What is the distance between them?