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Is gravity considered a contact or a field force? Explain in full detail to understand
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- In your own words, describe the difference between the terms gravitational force and gravitational field.What is the difference between a contact force and a field force? List all the forces presented in Chapters 1 through 22. Which are field forces? Which are contact forces? Which forces are macroscopic manifestations of the electromagnetic force? What does that tell you about contact forces? Explain your answers.Explain the physical meaning of each term in the equation of acceleration field and discuss the reason why it is called material acceleration. ......With explanation.....
- Let there be three charges whose locations are given with respect to a coordinate system - Charge q1 = 42 µCis located at P1 (0, -24) Charge 18 µCis located at P2 (15, –37.5)and Charge q3 = 6 µCis located at P3 (25,0). All the coordinates have units in centimeters. 92 a)Find the position vector that points from Pi to P2. x component Give your answer up to at least three significance digits. m y component Give your answer up to at least three significance digits. m b)Find the electric force on q2 due to q3 only. x component of the electric force Give your answer up to at least three significance digits. NQuestion 13 Refer to the figure below: Y Vo. Horizontal Field As compared to the horizontal component of the velocity at point Y, the horizontal component of the velocity at point X is: A) A. less В B. greater C. same D D. zeroU Resources A uranium ion and an iron ion are separated by a distance of R = 41.70 nm. The uranium atom is singly ionized; the iron atom is doubly ionized. Calculate the distance r from the uranium atom at which an electron will be in equilibrium. Ignore the gravitational attraction between the particles. uranium ion iron ion nm electron ++ R. What is the magnitude of the force on the electron from the uranium ion? magnitude of the force:
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- At which points the particles cannot go or does not exist? Which point correspond to a force with the greates magnitude? Explain.In a thundercloud there may be electric charges of +45.0 C near the top of the cloud and -45.0 C near the bottom of the cloud. These charges are separated by 1.50 km. What is the electric force on the top charge?magnitude N direction repulsive attractive|%Vr l. M home work .pdf > H.W: In the Boher model of the hydrogen atom an electron moves at 2.19 10'm/s in an orbit of radius 5.29 10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second? Ans. (a)9.06 10"m/s (b= 6.58 105 1/s H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point 32m from the base of the building. Find vo and 6 Ans. 0 = -37.32v, = 20. 1m/s